xnu-1228.7.58.tar.gz

[apple/xnu.git] / bsd / kern / kern_malloc.c

diff --git a/bsd/kern/kern_malloc.c b/bsd/kern/kern_malloc.c
index 6af52d4ee4b850822bc13cd2043a733c80675a29..a1c8f1b5084dbc7d461566c075497c6d969953ff 100644 (file)
--- a/bsd/kern/kern_malloc.c
+++ b/bsd/kern/kern_malloc.c
@@ -1,16 +1,19 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.

  *
  *

- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in

- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.

  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER


@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 

- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
 /*
  */
 /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
 /*


@@ -57,6 +60,12 @@
  *
  *     @(#)kern_malloc.c       8.4 (Berkeley) 5/20/95
  */
  *
  *     @(#)kern_malloc.c       8.4 (Berkeley) 5/20/95
  */

+/*
+ * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
+ * support for mandatory and extensible security protections.  This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */

 
 #include <sys/param.h>
 #include <sys/malloc.h>
 
 #include <sys/param.h>
 #include <sys/malloc.h>


@@ -71,27 +80,33 @@
 #include <netinet/ip.h>
 #include <netinet/in_pcb.h>
 
 #include <netinet/ip.h>
 #include <netinet/in_pcb.h>
 

-#include <sys/proc.h>
-#include <sys/mount.h>
-#include <sys/vnode.h>
+#include <sys/event.h>
+#include <sys/eventvar.h>
+
+#include <sys/proc_internal.h>
+#include <sys/mount_internal.h>
+#include <sys/vnode_internal.h>
+#include <sys/ubc_internal.h>

 #include <sys/namei.h>
 #include <sys/namei.h>

-#include <sys/file.h>
+#include <sys/file_internal.h>

 #include <sys/filedesc.h>
 #include <sys/tty.h>
 #include <sys/quota.h>
 #include <sys/filedesc.h>
 #include <sys/tty.h>
 #include <sys/quota.h>

+#include <sys/uio_internal.h>
+#include <sys/resourcevar.h>
+#include <sys/signalvar.h>

 
 #include <ufs/ufs/inode.h>
 
 #include <hfs/hfs_cnode.h>
 #include <isofs/cd9660/cd9660_node.h>
 
 
 #include <ufs/ufs/inode.h>
 
 #include <hfs/hfs_cnode.h>
 #include <isofs/cd9660/cd9660_node.h>
 

-#include <miscfs/volfs/volfs.h>
+#include <miscfs/specfs/specdev.h>

 
 #include <nfs/rpcv2.h>
 #include <nfs/nfsproto.h>
 #include <nfs/nfsnode.h>
 #include <nfs/nfsmount.h>
 
 #include <nfs/rpcv2.h>
 #include <nfs/nfsproto.h>
 #include <nfs/nfsnode.h>
 #include <nfs/nfsmount.h>

-#include <nfs/nqnfs.h>

 
 #include <vfs/vfs_journal.h>
 
 
 #include <vfs/vfs_journal.h>
 


@@ -100,122 +115,375 @@
 #include <kern/zalloc.h>
 #include <kern/kalloc.h>
 
 #include <kern/zalloc.h>
 #include <kern/kalloc.h>
 

-struct kmemstats kmemstats[M_LAST];
-char *memname[] = INITKMEMNAMES;
+void kmeminit(void) __attribute__((section("__TEXT, initcode")));

 
 

-struct kmzones {
-       size_t          kz_elemsize;
-       void            *kz_zalloczone;
+/* Strings corresponding to types of memory.
+ * Must be in synch with the #defines is sys/malloc.h 
+ * NOTE - the reason we pass null strings in some cases is to reduce of foot
+ * print as much as possible for systems where a tiny kernel is needed.
+ * todo - We should probably redsign this and use enums for our types and only
+ * include types needed for that configuration of the kernel.  This can't be
+ * done without some kind of kpi since several types are hardwired and exported
+ * (for example see types M_HFSMNT, M_UDFMNT, M_TEMP, etc in sys/malloc.h)
+ */
+const char *memname[] = {
+       "free",         /* 0 M_FREE */
+       "mbuf",         /* 1 M_MBUF */
+       "devbuf",       /* 2 M_DEVBUF */ 
+       "socket",       /* 3 M_SOCKET */ 
+       "pcb",          /* 4 M_PCB */ 
+       "routetbl",     /* 5 M_RTABLE */ 
+       "hosttbl",      /* 6 M_HTABLE */ 
+       "fragtbl",      /* 7 M_FTABLE */ 
+       "zombie",       /* 8 M_ZOMBIE */ 
+       "ifaddr",       /* 9 M_IFADDR */ 
+       "soopts",       /* 10 M_SOOPTS */ 
+       "soname",       /* 11 M_SONAME */ 
+       "namei",        /* 12 M_NAMEI */ 
+       "gprof",        /* 13 M_GPROF */ 
+       "ioctlops",     /* 14 M_IOCTLOPS */ 
+       "mapmem",       /* 15 M_MAPMEM */ 
+       "cred",         /* 16 M_CRED */ 
+       "pgrp",         /* 17 M_PGRP */ 
+       "session",      /* 18 M_SESSION */ 
+       "iov32",        /* 19 M_IOV32 */ 
+       "mount",        /* 20 M_MOUNT */ 
+       "fhandle",              /* 21 M_FHANDLE */ 
+#if (NFSCLIENT || NFSSERVER)
+       "NFS req",              /* 22 M_NFSREQ */ 
+       "NFS mount",    /* 23 M_NFSMNT */ 
+       "NFS node",             /* 24 M_NFSNODE */ 
+#else
+       "",                             /* 22 M_NFSREQ */ 
+       "",                             /* 23 M_NFSMNT */ 
+       "",                             /* 24 M_NFSNODE */ 
+#endif
+       "vnodes",               /* 25 M_VNODE */ 
+       "namecache",    /* 26 M_CACHE */ 
+#if QUOTA
+       "UFS quota",    /* 27 M_DQUOT */ 
+#else
+       "",                             /* 27 M_DQUOT */ 
+#endif
+#if FFS
+       "UFS mount",    /* 28 M_UFSMNT */ 
+#else
+       "",                             /* 28 M_UFSMNT */ 
+#endif
+#if (SYSV_SEM || SYSV_MSG || SYSV_SHM)
+       "shm",                  /* 29 M_SHM */ 
+#else
+       "",                             /* 29 M_SHM */ 
+#endif
+       "plimit",               /* 30 M_VMMAP */ 
+       "sigacts",      /* 31 M_VMMAPENT */ 
+       "VM object",    /* 32 M_VMOBJ */ 
+       "VM objhash",   /* 33 M_VMOBJHASH */ 
+       "VM pmap",              /* 34 M_VMPMAP */ 
+       "VM pvmap",             /* 35 M_VMPVENT */ 
+       "VM pager",             /* 36 M_VMPAGER */ 
+       "VM pgdata",    /* 37 M_VMPGDATA */ 
+       "fileproc",             /* 38 M_FILEPROC */ 
+       "file desc",    /* 39 M_FILEDESC */ 
+       "lockf",                /* 40 M_LOCKF */ 
+       "proc",                 /* 41 M_PROC */ 
+       "pstats",               /* 42 M_SUBPROC */ 
+       "LFS segment",  /* 43 M_SEGMENT */ 
+       "LFS node",             /* 44 M_LFSNODE */ 
+#if FFS
+       "FFS node",             /* 45 M_FFSNODE */ 
+#else
+       "",                             /* 45 M_FFSNODE */ 
+#endif
+       "MFS node",             /* 46 M_MFSNODE */ 
+       "NQNFS Lease",  /* 47 M_NQLEASE */ 
+       "NQNFS Host",   /* 48 M_NQMHOST */ 
+       "Export Host",  /* 49 M_NETADDR */ 
+#if (NFSCLIENT || NFSSERVER)
+       "NFS srvsock",  /* 50 M_NFSSVC */ 
+       "NFS uid",              /* 51 M_NFSUID */ 
+       "NFS daemon",   /* 52 M_NFSD */ 
+#else
+       "",                             /* 50 M_NFSSVC */ 
+       "",                             /* 51 M_NFSUID */ 
+       "",                             /* 52 M_NFSD */ 
+#endif
+       "ip_moptions",  /* 53 M_IPMOPTS */ 
+       "in_multi",             /* 54 M_IPMADDR */ 
+       "ether_multi",  /* 55 M_IFMADDR */ 
+       "mrt",                  /* 56 M_MRTABLE */ 
+#if CD9660
+       "ISOFS mount",  /* 57 M_ISOFSMNT */ 
+       "ISOFS node",   /* 58 M_ISOFSNODE */ 
+#else
+       "",                             /* 57 M_ISOFSMNT */ 
+       "",                             /* 58 M_ISOFSNODE */ 
+#endif
+#if (NFSCLIENT || NFSSERVER)
+       "NFSV3 srvdesc",/* 59 M_NFSRVDESC */ 
+       "NFSV3 diroff", /* 60 M_NFSDIROFF */ 
+       "NFSV3 bigfh",  /* 61 M_NFSBIGFH */ 
+#else
+       "",                             /* 59 M_NFSRVDESC */ 
+       "",                             /* 60 M_NFSDIROFF */ 
+       "",                             /* 61 M_NFSBIGFH */ 
+#endif
+       "MSDOSFS mount",/* 62 M_MSDOSFSMNT */ 
+       "MSDOSFS fat",  /* 63 M_MSDOSFSFAT */ 
+       "MSDOSFS node", /* 64 M_MSDOSFSNODE */ 
+       "ttys",                 /* 65 M_TTYS */ 
+       "exec",                 /* 66 M_EXEC */ 
+       "miscfs mount", /* 67 M_MISCFSMNT */ 
+       "miscfs node",  /* 68 M_MISCFSNODE */ 
+       "adosfs mount", /* 69 M_ADOSFSMNT */ 
+       "adosfs node",  /* 70 M_ADOSFSNODE */ 
+       "adosfs anode", /* 71 M_ANODE */ 
+       "buf hdrs",             /* 72 M_BUFHDR */ 
+       "ofile tabl",   /* 73 M_OFILETABL */ 
+       "mbuf clust",   /* 74 M_MCLUST */ 
+#if HFS
+       "HFS mount",    /* 75 M_HFSMNT */ 
+       "HFS node",             /* 76 M_HFSNODE */ 
+       "HFS fork",             /* 77 M_HFSFORK */ 
+#else
+       "",                             /* 75 M_HFSMNT */ 
+       "",                             /* 76 M_HFSNODE */ 
+       "",                             /* 77 M_HFSFORK */ 
+#endif
+       "ZFS mount",    /* 78 M_ZFSFSMNT */ 
+       "ZFS node",     /* 79 M_ZFSNODE */ 
+       "temp",                 /* 80 M_TEMP */ 
+       "key mgmt",             /* 81 M_SECA */ 
+       "DEVFS",                /* 82 M_DEVFS */ 
+       "IpFw/IpAcct",  /* 83 M_IPFW */ 
+       "UDF node",             /* 84 M_UDFNODE */ 
+       "UDF mount",    /* 85 M_UDFMNT */ 
+#if INET6
+       "IPv6 NDP",             /* 86 M_IP6NDP */ 
+       "IPv6 options", /* 87 M_IP6OPT */ 
+       "IPv6 Misc",    /* 88 M_IP6MISC */
+#else
+       "",                             /* 86 M_IP6NDP */ 
+       "",                             /* 87 M_IP6OPT */ 
+       "",                             /* 88 M_IP6MISC */
+#endif
+       "TCP Segment Q",/* 89 M_TSEGQ */
+       "IGMP state",   /* 90 M_IGMP */
+#if JOURNALING
+       "Journal",              /* 91 M_JNL_JNL */
+       "Transaction",  /* 92 M_JNL_TR */
+#else
+       "",                     /* 91 M_JNL_JNL */
+       "",                     /* 92 M_JNL_TR */
+#endif
+       "specinfo",             /* 93 M_SPECINFO */
+       "kqueue",               /* 94 M_KQUEUE */
+#if HFS
+       "HFS dirhint",  /* 95 M_HFSDIRHINT */ 
+#else
+       "",                             /* 95 M_HFSDIRHINT */ 
+#endif
+       "cluster_read", /* 96 M_CLRDAHEAD */ 
+       "cluster_write",/* 97 M_CLWRBEHIND */ 
+       "iov64",                /* 98 M_IOV64 */ 
+       "fileglob",             /* 99 M_FILEGLOB */ 
+       "kauth",                /* 100 M_KAUTH */ 
+       "dummynet",             /* 101 M_DUMMYNET */ 
+       "unsafe_fsnode",        /* 102 M_UNSAFEFS */ 
+       "macpipelabel", /* 103 M_MACPIPELABEL */
+       "mactemp",      /* 104 M_MACTEMP */
+       "sbuf",         /* 105 M_SBUF */
+       "extattr",      /* 106 M_EXTATTR */
+       "lctx",         /* 107 M_LCTX */
+#if TRAFFIC_MGT
+       "traffic_mgt",   /* 108 M_TRAFFIC_MGT */
+#else
+       "", /* 108 M_TRAFFIC_MGT */
+#endif
+};
+
+/* for use with kmzones.kz_zalloczone */

 #define        KMZ_CREATEZONE          ((void *)-2)
 #define KMZ_LOOKUPZONE         ((void *)-1)
 #define        KMZ_CREATEZONE          ((void *)-2)
 #define KMZ_LOOKUPZONE         ((void *)-1)

-#define KMZ_MALLOC             ((void *)0)
+#define KMZ_MALLOC                     ((void *)0)

 #define        KMZ_SHAREZONE           ((void *)1)
 #define        KMZ_SHAREZONE           ((void *)1)

+
+struct kmzones {
+       size_t          kz_elemsize;
+       void            *kz_zalloczone;

 } kmzones[M_LAST] = {
 #define        SOS(sname)      sizeof (struct sname)
 #define SOX(sname)     -1
 } kmzones[M_LAST] = {
 #define        SOS(sname)      sizeof (struct sname)
 #define SOX(sname)     -1

-       -1,             0,                      /* 0 M_FREE */
-       MSIZE,          KMZ_CREATEZONE,         /* 1 M_MBUF */
-       0,              KMZ_MALLOC,             /* 2 M_DEVBUF */
-       SOS(socket),    KMZ_CREATEZONE,         /* 3 M_SOCKET */
-       SOS(inpcb),     KMZ_LOOKUPZONE,         /* 4 M_PCB */
-       M_MBUF,         KMZ_SHAREZONE,          /* 5 M_RTABLE */
-       M_MBUF,         KMZ_SHAREZONE,          /* 6 M_HTABLE */
-       M_MBUF,         KMZ_SHAREZONE,          /* 7 M_FTABLE */
-       SOS(rusage),    KMZ_CREATEZONE,         /* 8 M_ZOMBIE */
-       0,              KMZ_MALLOC,             /* 9 M_IFADDR */
-       M_MBUF,         KMZ_SHAREZONE,          /* 10 M_SOOPTS */
-       0,              KMZ_MALLOC,             /* 11 M_SONAME */
-       MAXPATHLEN,     KMZ_CREATEZONE,         /* 12 M_NAMEI */
-       0,              KMZ_MALLOC,             /* 13 M_GPROF */
-       0,              KMZ_MALLOC,             /* 14 M_IOCTLOPS */
-       0,              KMZ_MALLOC,             /* 15 M_MAPMEM */
-       SOS(ucred),     KMZ_CREATEZONE,         /* 16 M_CRED */
-       SOS(pgrp),      KMZ_CREATEZONE,         /* 17 M_PGRP */
-       SOS(session),   KMZ_CREATEZONE,         /* 18 M_SESSION */
-       SOS(iovec),     KMZ_LOOKUPZONE,         /* 19 M_IOV */
-       SOS(mount),     KMZ_CREATEZONE,         /* 20 M_MOUNT */
-       0,              KMZ_MALLOC,             /* 21 M_FHANDLE */
-       SOS(nfsreq),    KMZ_CREATEZONE,         /* 22 M_NFSREQ */
-       SOS(nfsmount),  KMZ_CREATEZONE,         /* 23 M_NFSMNT */
-       SOS(nfsnode),   KMZ_CREATEZONE,         /* 24 M_NFSNODE */
-       SOS(vnode),     KMZ_CREATEZONE,         /* 25 M_VNODE */
-       SOS(namecache), KMZ_CREATEZONE,         /* 26 M_CACHE */
-       SOX(dquot),     KMZ_LOOKUPZONE,         /* 27 M_DQUOT */
-       SOX(ufsmount),  KMZ_LOOKUPZONE,         /* 28 M_UFSMNT */
-       0,              KMZ_MALLOC,             /* 29 M_CGSUM */
-       0,              KMZ_MALLOC,             /* 30 M_VMMAP */
-       0,              KMZ_MALLOC,             /* 31 M_VMMAPENT */
-       0,              KMZ_MALLOC,             /* 32 M_VMOBJ */
-       0,              KMZ_MALLOC,             /* 33 M_VMOBJHASH */
-       0,              KMZ_MALLOC,             /* 34 M_VMPMAP */
-       0,              KMZ_MALLOC,             /* 35 M_VMPVENT */
-       0,              KMZ_MALLOC,             /* 36 M_VMPAGER */
-       0,              KMZ_MALLOC,             /* 37 M_VMPGDATA */
-       SOS(file),      KMZ_CREATEZONE,         /* 38 M_FILE */
-       SOS(filedesc),  KMZ_CREATEZONE,         /* 39 M_FILEDESC */
-       SOX(lockf),     KMZ_CREATEZONE,         /* 40 M_LOCKF */
-       SOS(proc),      KMZ_CREATEZONE,         /* 41 M_PROC */
-       SOS(pcred),     KMZ_CREATEZONE,         /* 42 M_SUBPROC */
-       0,              KMZ_MALLOC,             /* 43 M_SEGMENT */
-       M_FFSNODE,      KMZ_SHAREZONE,          /* 44 M_LFSNODE */
-       SOS(inode),     KMZ_CREATEZONE,         /* 45 M_FFSNODE */
-       M_FFSNODE,      KMZ_SHAREZONE,          /* 46 M_MFSNODE */
-       SOS(nqlease),   KMZ_CREATEZONE,         /* 47 M_NQLEASE */
-       SOS(nqm),       KMZ_CREATEZONE,         /* 48 M_NQMHOST */
-       0,              KMZ_MALLOC,             /* 49 M_NETADDR */
-       SOX(nfssvc_sock),
-                       KMZ_CREATEZONE,         /* 50 M_NFSSVC */
-       SOS(nfsuid),    KMZ_CREATEZONE,         /* 51 M_NFSUID */
-       SOX(nfsrvcache),
-                       KMZ_CREATEZONE,         /* 52 M_NFSD */
-       SOX(ip_moptions),
-                       KMZ_LOOKUPZONE,         /* 53 M_IPMOPTS */
-       SOX(in_multi),  KMZ_LOOKUPZONE,         /* 54 M_IPMADDR */
-       SOX(ether_multi),
-                       KMZ_LOOKUPZONE,         /* 55 M_IFMADDR */
-       SOX(mrt),       KMZ_CREATEZONE,         /* 56 M_MRTABLE */
-       SOX(iso_mnt),   KMZ_LOOKUPZONE,         /* 57 M_ISOFSMNT */
-       SOS(iso_node),  KMZ_CREATEZONE,         /* 58 M_ISOFSNODE */
-       SOS(nfsrv_descript),
-                       KMZ_CREATEZONE,         /* 59 M_NFSRVDESC */
-       SOS(nfsdmap),   KMZ_CREATEZONE,         /* 60 M_NFSDIROFF */
-       SOS(fhandle),   KMZ_LOOKUPZONE,         /* 61 M_NFSBIGFH */
-       0,              KMZ_MALLOC,             /* 62 M_MSDOSFSMNT */
-       0,              KMZ_MALLOC,             /* 63 M_MSDOSFSFAT */
-       0,              KMZ_MALLOC,             /* 64 M_MSDOSFSNODE */
-       SOS(tty),       KMZ_CREATEZONE,         /* 65 M_TTYS */
-       0,              KMZ_MALLOC,             /* 66 M_EXEC */
-       0,              KMZ_MALLOC,             /* 67 M_MISCFSMNT */
-       0,              KMZ_MALLOC,             /* 68 M_MISCFSNODE */
-       0,              KMZ_MALLOC,             /* 69 M_ADOSFSMNT */
-       0,              KMZ_MALLOC,             /* 70 M_ADOSFSNODE */
-       0,              KMZ_MALLOC,             /* 71 M_ANODE */
-       SOX(buf),       KMZ_CREATEZONE,         /* 72 M_BUFHDR */
-       (NDFILE * OFILESIZE),
-                       KMZ_CREATEZONE,         /* 73 M_OFILETABL */
-       MCLBYTES,       KMZ_CREATEZONE,         /* 74 M_MCLUST */
-       SOX(hfsmount),  KMZ_LOOKUPZONE,         /* 75 M_HFSMNT */
-       SOS(cnode),     KMZ_CREATEZONE,         /* 76 M_HFSNODE */
-       SOS(filefork),  KMZ_CREATEZONE,         /* 77 M_HFSFORK */
-       SOX(volfs_mntdata),     KMZ_LOOKUPZONE,         /* 78 M_VOLFSMNT */
-       SOS(volfs_vndata),      KMZ_CREATEZONE,         /* 79 M_VOLFSNODE */
-       0,              KMZ_MALLOC,             /* 80 M_TEMP */
-       0,              KMZ_MALLOC,             /* 81 M_SECA */
-       0,              KMZ_MALLOC,             /* 82 M_DEVFS */
-       0,              KMZ_MALLOC,             /* 83 M_IPFW */
-       0,              KMZ_MALLOC,             /* 84 M_UDFNODE */
-       0,              KMZ_MALLOC,             /* 85 M_UDFMOUNT */
-       0,              KMZ_MALLOC,             /* 86 M_IP6NDP */
-       0,              KMZ_MALLOC,             /* 87 M_IP6OPT */
-       0,              KMZ_MALLOC,             /* 88 M_IP6MISC */
-       0,              KMZ_MALLOC,             /* 89 M_TSEGQ */
-       0,              KMZ_MALLOC,             /* 90 M_IGMP */
-       SOS(journal),     KMZ_CREATEZONE,     /* 91 M_JNL_JNL */
-       SOS(transaction), KMZ_CREATEZONE,     /* 92 M_JNL_TR */
+       { -1,           0 },                    /* 0 M_FREE */
+       { MSIZE,        KMZ_CREATEZONE },       /* 1 M_MBUF */
+       { 0,            KMZ_MALLOC },           /* 2 M_DEVBUF */
+       { SOS(socket),  KMZ_CREATEZONE },       /* 3 M_SOCKET */
+       { SOS(inpcb),   KMZ_LOOKUPZONE },       /* 4 M_PCB */
+       { M_MBUF,       KMZ_SHAREZONE },        /* 5 M_RTABLE */
+       { M_MBUF,       KMZ_SHAREZONE },        /* 6 M_HTABLE */
+       { M_MBUF,       KMZ_SHAREZONE },        /* 7 M_FTABLE */
+       { SOS(rusage),  KMZ_CREATEZONE },       /* 8 M_ZOMBIE */
+       { 0,            KMZ_MALLOC },           /* 9 M_IFADDR */
+       { M_MBUF,       KMZ_SHAREZONE },                /* 10 M_SOOPTS */
+       { 0,            KMZ_MALLOC },           /* 11 M_SONAME */
+       { MAXPATHLEN,   KMZ_CREATEZONE },               /* 12 M_NAMEI */
+       { 0,            KMZ_MALLOC },           /* 13 M_GPROF */
+       { 0,            KMZ_MALLOC },           /* 14 M_IOCTLOPS */
+       { 0,            KMZ_MALLOC },           /* 15 M_MAPMEM */
+       { SOS(ucred),   KMZ_CREATEZONE },       /* 16 M_CRED */
+       { SOS(pgrp),    KMZ_CREATEZONE },       /* 17 M_PGRP */
+       { SOS(session), KMZ_CREATEZONE },       /* 18 M_SESSION */
+       { SOS(iovec_32),        KMZ_LOOKUPZONE },       /* 19 M_IOV32 */
+       { SOS(mount),   KMZ_CREATEZONE },       /* 20 M_MOUNT */
+       { 0,            KMZ_MALLOC },           /* 21 M_FHANDLE */
+#if (NFSCLIENT || NFSSERVER)
+       { SOS(nfsreq),  KMZ_CREATEZONE },       /* 22 M_NFSREQ */
+       { SOS(nfsmount),        KMZ_CREATEZONE },       /* 23 M_NFSMNT */
+       { SOS(nfsnode), KMZ_CREATEZONE },       /* 24 M_NFSNODE */
+#else
+       { 0,            KMZ_MALLOC },           /* 22 M_NFSREQ */
+       { 0,            KMZ_MALLOC },           /* 23 M_NFSMNT */
+       { 0,            KMZ_MALLOC },           /* 24 M_NFSNODE */
+#endif
+       { SOS(vnode),   KMZ_CREATEZONE },       /* 25 M_VNODE */
+       { SOS(namecache),       KMZ_CREATEZONE },       /* 26 M_CACHE */
+#if QUOTA
+       { SOX(dquot),   KMZ_LOOKUPZONE },       /* 27 M_DQUOT */
+#else
+       { 0,            KMZ_MALLOC },           /* 27 M_DQUOT */
+#endif
+#if FFS
+       { SOX(ufsmount),        KMZ_LOOKUPZONE },       /* 28 M_UFSMNT */
+#else
+       { 0,            KMZ_MALLOC },           /* 28 M_UFSMNT */
+#endif
+       { 0,            KMZ_MALLOC },           /* 29 M_CGSUM */
+       { SOS(plimit),  KMZ_CREATEZONE },       /* 30 M_PLIMIT */
+       { SOS(sigacts), KMZ_CREATEZONE },       /* 31 M_SIGACTS */
+       { 0,            KMZ_MALLOC },           /* 32 M_VMOBJ */
+       { 0,            KMZ_MALLOC },           /* 33 M_VMOBJHASH */
+       { 0,            KMZ_MALLOC },           /* 34 M_VMPMAP */
+       { 0,            KMZ_MALLOC },           /* 35 M_VMPVENT */
+       { 0,            KMZ_MALLOC },           /* 36 M_VMPAGER */
+       { 0,            KMZ_MALLOC },           /* 37 M_VMPGDATA */
+       { SOS(fileproc),        KMZ_CREATEZONE },       /* 38 M_FILEPROC */
+       { SOS(filedesc),        KMZ_CREATEZONE },       /* 39 M_FILEDESC */
+       { SOX(lockf),   KMZ_CREATEZONE },       /* 40 M_LOCKF */
+       { SOS(proc),    KMZ_CREATEZONE },       /* 41 M_PROC */
+       { SOS(pstats),  KMZ_CREATEZONE },       /* 42 M_PSTATS */
+       { 0,            KMZ_MALLOC },           /* 43 M_SEGMENT */
+       { M_FFSNODE,    KMZ_SHAREZONE },        /* 44 M_LFSNODE */
+#if FFS
+       { SOS(inode),   KMZ_CREATEZONE },       /* 45 M_FFSNODE */
+#else
+       { 0,            KMZ_MALLOC },           /* 45 M_FFSNODE */
+#endif
+       { M_FFSNODE,    KMZ_SHAREZONE },        /* 46 M_MFSNODE */
+       { 0,            KMZ_MALLOC },           /* 47 M_NQLEASE */
+       { 0,            KMZ_MALLOC },           /* 48 M_NQMHOST */
+       { 0,            KMZ_MALLOC },           /* 49 M_NETADDR */
+#if (NFSCLIENT || NFSSERVER)
+       { SOX(nfsrv_sock),
+                       KMZ_CREATEZONE },       /* 50 M_NFSSVC */
+       { 0,            KMZ_MALLOC },           /* 51 M_NFSUID */
+       { SOX(nfsrvcache),
+                       KMZ_CREATEZONE },       /* 52 M_NFSD */
+#else
+       { 0,            KMZ_MALLOC },           /* 50 M_NFSSVC */
+       { 0,            KMZ_MALLOC },           /* 51 M_NFSUID */
+       { 0,            KMZ_MALLOC },           /* 52 M_NFSD */
+#endif
+       { SOX(ip_moptions),
+                       KMZ_LOOKUPZONE },       /* 53 M_IPMOPTS */
+       { SOX(in_multi),        KMZ_LOOKUPZONE },       /* 54 M_IPMADDR */
+       { SOX(ether_multi),
+                       KMZ_LOOKUPZONE },       /* 55 M_IFMADDR */
+       { SOX(mrt),     KMZ_CREATEZONE },       /* 56 M_MRTABLE */
+#if CD9660
+       { SOX(iso_mnt), KMZ_LOOKUPZONE },       /* 57 M_ISOFSMNT */
+       { SOS(iso_node),        KMZ_CREATEZONE },       /* 58 M_ISOFSNODE */
+#else
+       { 0,            KMZ_MALLOC },           /* 57 M_ISOFSMNT */
+       { 0,            KMZ_MALLOC },           /* 58 M_ISOFSNODE */
+#endif
+#if (NFSCLIENT || NFSSERVER)
+       { SOS(nfsrv_descript),
+                       KMZ_CREATEZONE },       /* 59 M_NFSRVDESC */
+       { SOS(nfsdmap), KMZ_CREATEZONE },       /* 60 M_NFSDIROFF */
+       { SOS(fhandle), KMZ_LOOKUPZONE },       /* 61 M_NFSBIGFH */
+#else
+       { 0,            KMZ_MALLOC },           /* 59 M_NFSRVDESC */
+       { 0,            KMZ_MALLOC },           /* 60 M_NFSDIROFF */
+       { 0,            KMZ_MALLOC },           /* 61 M_NFSBIGFH */
+#endif
+       { 0,            KMZ_MALLOC },           /* 62 M_MSDOSFSMNT */
+       { 0,            KMZ_MALLOC },           /* 63 M_MSDOSFSFAT */
+       { 0,            KMZ_MALLOC },           /* 64 M_MSDOSFSNODE */
+       { SOS(tty),     KMZ_CREATEZONE },       /* 65 M_TTYS */
+       { 0,            KMZ_MALLOC },           /* 66 M_EXEC */
+       { 0,            KMZ_MALLOC },           /* 67 M_MISCFSMNT */
+       { 0,            KMZ_MALLOC },           /* 68 M_MISCFSNODE */
+       { 0,            KMZ_MALLOC },           /* 69 M_ADOSFSMNT */
+       { 0,            KMZ_MALLOC },           /* 70 M_ADOSFSNODE */
+       { 0,            KMZ_MALLOC },           /* 71 M_ANODE */
+       { SOX(buf),     KMZ_CREATEZONE },       /* 72 M_BUFHDR */
+       { (NDFILE * OFILESIZE),
+                       KMZ_CREATEZONE },       /* 73 M_OFILETABL */
+       { MCLBYTES,     KMZ_CREATEZONE },       /* 74 M_MCLUST */
+#if HFS
+       { SOX(hfsmount),        KMZ_LOOKUPZONE },       /* 75 M_HFSMNT */
+       { SOS(cnode),   KMZ_CREATEZONE },       /* 76 M_HFSNODE */
+       { SOS(filefork),        KMZ_CREATEZONE },       /* 77 M_HFSFORK */
+#else
+       { 0,            KMZ_MALLOC },           /* 75 M_HFSMNT */
+       { 0,            KMZ_MALLOC },           /* 76 M_HFSNODE */
+       { 0,            KMZ_MALLOC },           /* 77 M_HFSFORK */
+#endif
+       { 0,            KMZ_MALLOC },           /* 78 M_ZFSMNT */
+       { 0,            KMZ_MALLOC },           /* 79 M_ZFSNODE */
+       { 0,            KMZ_MALLOC },           /* 80 M_TEMP */
+       { 0,            KMZ_MALLOC },           /* 81 M_SECA */
+       { 0,            KMZ_MALLOC },           /* 82 M_DEVFS */
+       { 0,            KMZ_MALLOC },           /* 83 M_IPFW */
+       { 0,            KMZ_MALLOC },           /* 84 M_UDFNODE */
+       { 0,            KMZ_MALLOC },           /* 85 M_UDFMOUNT */
+       { 0,            KMZ_MALLOC },           /* 86 M_IP6NDP */
+       { 0,            KMZ_MALLOC },           /* 87 M_IP6OPT */
+       { 0,            KMZ_MALLOC },           /* 88 M_IP6MISC */
+       { 0,            KMZ_MALLOC },           /* 89 M_TSEGQ */
+       { 0,            KMZ_MALLOC },           /* 90 M_IGMP */
+#if JOURNALING
+       { SOS(journal), KMZ_CREATEZONE },       /* 91 M_JNL_JNL */
+       { SOS(transaction), KMZ_CREATEZONE },   /* 92 M_JNL_TR */
+#else
+       { 0,     KMZ_MALLOC },          /* 91 M_JNL_JNL */
+       { 0,     KMZ_MALLOC },          /* 92 M_JNL_TR */
+#endif
+       { SOS(specinfo), KMZ_CREATEZONE },      /* 93 M_SPECINFO */
+       { SOS(kqueue), KMZ_CREATEZONE },        /* 94 M_KQUEUE */
+#if HFS
+       { SOS(directoryhint), KMZ_CREATEZONE }, /* 95 M_HFSDIRHINT */
+#else
+       { 0,    KMZ_MALLOC },           /* 95 M_HFSDIRHINT */
+#endif
+       { SOS(cl_readahead),  KMZ_CREATEZONE }, /* 96 M_CLRDAHEAD */
+       { SOS(cl_writebehind),KMZ_CREATEZONE }, /* 97 M_CLWRBEHIND */
+       { SOS(iovec_64),        KMZ_LOOKUPZONE },       /* 98 M_IOV64 */
+       { SOS(fileglob),        KMZ_CREATEZONE },       /* 99 M_FILEGLOB */
+       { 0,            KMZ_MALLOC },           /* 100 M_KAUTH */
+       { 0,            KMZ_MALLOC },           /* 101 M_DUMMYNET */
+       { SOS(unsafe_fsnode),KMZ_CREATEZONE },  /* 102 M_UNSAFEFS */
+       { 0,            KMZ_MALLOC },           /* 103 M_MACPIPELABEL */
+       { 0,            KMZ_MALLOC },           /* 104 M_MACTEMP */
+       { 0,            KMZ_MALLOC },           /* 105 M_SBUF */
+       { 0,            KMZ_MALLOC },           /* 106 M_HFS_EXTATTR */
+       { 0,            KMZ_MALLOC },           /* 107 M_LCTX */
+       { 0,            KMZ_MALLOC },           /* 108 M_TRAFFIC_MGT */

 #undef SOS
 #undef SOX
 };
 
 #undef SOS
 #undef SOX
 };
 

+extern zone_t kalloc_zone(vm_size_t);  /* XXX */

 
 /*
  * Initialize the kernel memory allocator
 
 /*
  * Initialize the kernel memory allocator


@@ -226,14 +494,14 @@ kmeminit(void)
        struct kmzones  *kmz;
 
        if ((sizeof(kmzones)/sizeof(kmzones[0])) != (sizeof(memname)/sizeof(memname[0]))) {
        struct kmzones  *kmz;
 
        if ((sizeof(kmzones)/sizeof(kmzones[0])) != (sizeof(memname)/sizeof(memname[0]))) {

-               panic("kmeminit: kmzones has %d elements but memname has %d\n",
+               panic("kmeminit: kmzones has %lu elements but memname has %lu\n",

                          (sizeof(kmzones)/sizeof(kmzones[0])), (sizeof(memname)/sizeof(memname[0])));
        }
 
        kmz = kmzones;
        while (kmz < &kmzones[M_LAST]) {
 /* XXX */
                          (sizeof(kmzones)/sizeof(kmzones[0])), (sizeof(memname)/sizeof(memname[0])));
        }
 
        kmz = kmzones;
        while (kmz < &kmzones[M_LAST]) {
 /* XXX */

-               if (kmz->kz_elemsize == -1)
+               if (kmz->kz_elemsize == (size_t)(-1))

                        ;
                else
 /* XXX */
                        ;
                else
 /* XXX */


@@ -251,7 +519,7 @@ kmeminit(void)
        kmz = kmzones;
        while (kmz < &kmzones[M_LAST]) {
 /* XXX */
        kmz = kmzones;
        while (kmz < &kmzones[M_LAST]) {
 /* XXX */

-               if (kmz->kz_elemsize == -1)
+               if (kmz->kz_elemsize == (size_t)(-1))

                        ;
                else
 /* XXX */
                        ;
                else
 /* XXX */


@@ -277,9 +545,8 @@ struct _mhead {
        char    dat[0];
 };
 
        char    dat[0];
 };
 

-#define ZEROSIZETOKEN 0xFADEDFAD
-
-void *_MALLOC(
+void *
+_MALLOC(

        size_t          size,
        int             type,
        int             flags)
        size_t          size,
        int             type,
        int             flags)


@@ -290,12 +557,8 @@ void *_MALLOC(
        if (type >= M_LAST)
                panic("_malloc TYPE");
 
        if (type >= M_LAST)
                panic("_malloc TYPE");
 

-       /*
-        * On zero request we do not return zero as that
-        * could be mistaken for ENOMEM.
-        */

        if (size == 0)
        if (size == 0)

-               return (ZEROSIZETOKEN);
+               return (NULL);

 
        if (flags & M_NOWAIT) {
                mem = (void *)kalloc_noblock(memsize);
 
        if (flags & M_NOWAIT) {
                mem = (void *)kalloc_noblock(memsize);


@@ -307,10 +570,14 @@ void *_MALLOC(
 
        mem->hdr.mlen = memsize;
 
 
        mem->hdr.mlen = memsize;
 

+       if (flags & M_ZERO)
+               bzero(mem->hdr.dat, size);
+

        return  (mem->hdr.dat);
 }
 
        return  (mem->hdr.dat);
 }
 

-void _FREE(
+void
+_FREE(

        void            *addr,
        int             type)
 {
        void            *addr,
        int             type)
 {


@@ -319,16 +586,15 @@ void _FREE(
        if (type >= M_LAST)
                panic("_free TYPE");
 
        if (type >= M_LAST)
                panic("_free TYPE");
 

-       if (addr == (void *)ZEROSIZETOKEN)
-               return;

        if (!addr)
                return; /* correct (convenient bsd kernel legacy) */
 
        hdr = addr; hdr--;
        if (!addr)
                return; /* correct (convenient bsd kernel legacy) */
 
        hdr = addr; hdr--;

-       kfree((vm_offset_t)hdr, hdr->mlen);
+       kfree(hdr, hdr->mlen);

 }
 
 }
 

-void *_MALLOC_ZONE(
+void *
+_MALLOC_ZONE(

        size_t          size,
        int             type,
        int             flags)
        size_t          size,
        int             type,
        int             flags)


@@ -341,10 +607,10 @@ void *_MALLOC_ZONE(
 
        kmz = &kmzones[type];
        if (kmz->kz_zalloczone == KMZ_MALLOC)
 
        kmz = &kmzones[type];
        if (kmz->kz_zalloczone == KMZ_MALLOC)

-               panic("_malloc_zone ZONE");
+               panic("_malloc_zone ZONE: type = %d", type);

 
 /* XXX */
 
 /* XXX */

-       if (kmz->kz_elemsize == -1)
+       if (kmz->kz_elemsize == (size_t)(-1))

                panic("_malloc_zone XXX");
 /* XXX */
        if (size == kmz->kz_elemsize)
                panic("_malloc_zone XXX");
 /* XXX */
        if (size == kmz->kz_elemsize)


@@ -363,7 +629,8 @@ void *_MALLOC_ZONE(
        return (elem);
 }
 
        return (elem);
 }
 

-void _FREE_ZONE(
+void
+_FREE_ZONE(

        void            *elem,
        size_t          size,
        int             type)
        void            *elem,
        size_t          size,
        int             type)


@@ -378,11 +645,11 @@ void _FREE_ZONE(
                panic("free_zone ZONE");
 
 /* XXX */
                panic("free_zone ZONE");
 
 /* XXX */

-       if (kmz->kz_elemsize == -1)
+       if (kmz->kz_elemsize == (size_t)(-1))

                panic("FREE_SIZE XXX");
 /* XXX */
        if (size == kmz->kz_elemsize)
                panic("FREE_SIZE XXX");
 /* XXX */
        if (size == kmz->kz_elemsize)

-               zfree(kmz->kz_zalloczone, (vm_offset_t)elem);
+               zfree(kmz->kz_zalloczone, elem);

        else
        else

-               kfree((vm_offset_t)elem, size);
+               kfree(elem, size);

 }
 }