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

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
/*
 * Copyright (c) 1987, 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)kern_malloc.c	8.4 (Berkeley) 5/20/95
 */

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

#include <sys/socket.h>
#include <sys/socketvar.h>

#include <net/route.h>

#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/in_pcb.h>

#include <sys/proc.h>
#include <sys/mount.h>
#include <sys/vnode.h>
#include <sys/namei.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/tty.h>
#include <sys/quota.h>

#include <ufs/ufs/inode.h>

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

#include <miscfs/volfs/volfs.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 <mach/mach_types.h>

#include <kern/zalloc.h>
#include <kern/kalloc.h>

struct kmemstats kmemstats[M_LAST];
char *memname[] = INITKMEMNAMES;

struct kmzones {
	size_t		kz_elemsize;
	void		*kz_zalloczone;
#define	KMZ_CREATEZONE		((void *)-2)
#define KMZ_LOOKUPZONE		((void *)-1)
#define KMZ_MALLOC		((void *)0)
#define	KMZ_SHAREZONE		((void *)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 */
#undef	SOS
#undef	SOX
};


/*
 * Initialize the kernel memory allocator
 */
void
kmeminit(void)
{
	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",
			  (sizeof(kmzones)/sizeof(kmzones[0])), (sizeof(memname)/sizeof(memname[0])));
	}

	kmz = kmzones;
	while (kmz < &kmzones[M_LAST]) {
/* XXX */
		if (kmz->kz_elemsize == -1)
			;
		else
/* XXX */
		if (kmz->kz_zalloczone == KMZ_CREATEZONE) {
			kmz->kz_zalloczone = zinit(kmz->kz_elemsize,
						1024 * 1024, PAGE_SIZE,
						memname[kmz - kmzones]);
		}
		else if (kmz->kz_zalloczone == KMZ_LOOKUPZONE)
			kmz->kz_zalloczone = kalloc_zone(kmz->kz_elemsize);

		kmz++;
	}

	kmz = kmzones;
	while (kmz < &kmzones[M_LAST]) {
/* XXX */
		if (kmz->kz_elemsize == -1)
			;
		else
/* XXX */
		if (kmz->kz_zalloczone == KMZ_SHAREZONE) {
			kmz->kz_zalloczone =
				kmzones[kmz->kz_elemsize].kz_zalloczone;
			kmz->kz_elemsize =
				kmzones[kmz->kz_elemsize].kz_elemsize;
		}

		kmz++;
	}
}

#define	MDECL(reqlen)					\
union {							\
	struct	_mhead hdr;				\
	char	_m[(reqlen) + sizeof (struct _mhead)];	\
}

struct _mhead {
	size_t	mlen;
	char	dat[0];
};

#define ZEROSIZETOKEN 0xFADEDFAD

void *_MALLOC(
	size_t		size,
	int		type,
	int		flags)
{
	MDECL(size)	*mem;
	size_t		memsize = sizeof (*mem);

	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)
		return (ZEROSIZETOKEN);

	if (flags & M_NOWAIT) {
		mem = (void *)kalloc_noblock(memsize);
	} else {
		mem = (void *)kalloc(memsize);
	}
	if (!mem)
		return (0);

	mem->hdr.mlen = memsize;

	return  (mem->hdr.dat);
}

void _FREE(
	void		*addr,
	int		type)
{
	struct _mhead	*hdr;

	if (type >= M_LAST)
		panic("_free TYPE");

	if (addr == (void *)ZEROSIZETOKEN)
		return;
	if (!addr)
		return; /* correct (convenient bsd kernel legacy) */

	hdr = addr; hdr--;
	kfree((vm_offset_t)hdr, hdr->mlen);
}

void *_MALLOC_ZONE(
	size_t		size,
	int		type,
	int		flags)
{
	struct kmzones	*kmz;
	void		*elem;

	if (type >= M_LAST)
		panic("_malloc_zone TYPE");

	kmz = &kmzones[type];
	if (kmz->kz_zalloczone == KMZ_MALLOC)
		panic("_malloc_zone ZONE");

/* XXX */
	if (kmz->kz_elemsize == -1)
		panic("_malloc_zone XXX");
/* XXX */
	if (size == kmz->kz_elemsize)
		if (flags & M_NOWAIT) {
	  		elem = (void *)zalloc_noblock(kmz->kz_zalloczone);
		} else {
	  		elem = (void *)zalloc(kmz->kz_zalloczone);
		}
	else
		if (flags & M_NOWAIT) {
			elem = (void *)kalloc_noblock(size);
		} else {
			elem = (void *)kalloc(size);
		}

	return (elem);
}

void _FREE_ZONE(
	void		*elem,
	size_t		size,
	int		type)
{
	struct kmzones	*kmz;

	if (type >= M_LAST)
		panic("FREE_SIZE");

	kmz = &kmzones[type];
	if (kmz->kz_zalloczone == KMZ_MALLOC)
		panic("free_zone ZONE");

/* XXX */
	if (kmz->kz_elemsize == -1)
		panic("FREE_SIZE XXX");
/* XXX */
	if (size == kmz->kz_elemsize)
		zfree(kmz->kz_zalloczone, (vm_offset_t)elem);
	else
		kfree((vm_offset_t)elem, size);
}
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
de355530 A	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
1c79356b	11	*
de355530 A	12	* This Original Code and all software distributed under the License are
de355530 A	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
de355530 A	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
1c79356b A	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
	23	/*
	24	* Copyright (c) 1987, 1991, 1993
	25	* The Regents of the University of California. All rights reserved.
	26	*
	27	* Redistribution and use in source and binary forms, with or without
	28	* modification, are permitted provided that the following conditions
	29	* are met:
	30	* 1. Redistributions of source code must retain the above copyright
	31	* notice, this list of conditions and the following disclaimer.
	32	* 2. Redistributions in binary form must reproduce the above copyright
	33	* notice, this list of conditions and the following disclaimer in the
	34	* documentation and/or other materials provided with the distribution.
	35	* 3. All advertising materials mentioning features or use of this software
	36	* must display the following acknowledgement:
	37	* This product includes software developed by the University of
	38	* California, Berkeley and its contributors.
	39	* 4. Neither the name of the University nor the names of its contributors
	40	* may be used to endorse or promote products derived from this software
	41	* without specific prior written permission.
	42	*
	43	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	44	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	45	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	46	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	47	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	48	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	49	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	50	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	51	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	52	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	53	* SUCH DAMAGE.
	54	*
	55	* @(#)kern_malloc.c 8.4 (Berkeley) 5/20/95
	56	*/
	57
	58	#include <sys/param.h>
	59	#include <sys/malloc.h>
	60
	61	#include <sys/socket.h>
	62	#include <sys/socketvar.h>
	63
	64	#include <net/route.h>
	65
	66	#include <netinet/in.h>
	67	#include <netinet/in_systm.h>
	68	#include <netinet/ip.h>
	69	#include <netinet/in_pcb.h>
	70
	71	#include <sys/proc.h>
	72	#include <sys/mount.h>
	73	#include <sys/vnode.h>
	74	#include <sys/namei.h>
	75	#include <sys/file.h>
	76	#include <sys/filedesc.h>
	77	#include <sys/tty.h>
9bccf70c	78	#include <sys/quota.h>
1c79356b	79
1c79356b A	80	#include <ufs/ufs/inode.h>
1c79356b A	81
9bccf70c	82	#include <hfs/hfs_cnode.h>
1c79356b A	83	#include <isofs/cd9660/cd9660_node.h>
	84
	85	#include <miscfs/volfs/volfs.h>
	86
	87	#include <nfs/rpcv2.h>
	88	#include <nfs/nfsproto.h>
	89	#include <nfs/nfsnode.h>
	90	#include <nfs/nfsmount.h>
	91	#include <nfs/nqnfs.h>
	92
d7e50217 A	93	#include <vfs/vfs_journal.h>
d7e50217 A	94
1c79356b A	95	#include <mach/mach_types.h>
	96
	97	#include <kern/zalloc.h>
	98	#include <kern/kalloc.h>
	99
	100	struct kmemstats kmemstats[M_LAST];
	101	char *memname[] = INITKMEMNAMES;
	102
	103	struct kmzones {
	104	size_t kz_elemsize;
	105	void *kz_zalloczone;
	106	#define KMZ_CREATEZONE ((void *)-2)
	107	#define KMZ_LOOKUPZONE ((void *)-1)
	108	#define KMZ_MALLOC ((void *)0)
	109	#define KMZ_SHAREZONE ((void *)1)
	110	} kmzones[M_LAST] = {
	111	#define SOS(sname) sizeof (struct sname)
	112	#define SOX(sname) -1
	113	-1, 0, /* 0 M_FREE */
	114	MSIZE, KMZ_CREATEZONE, /* 1 M_MBUF */
	115	0, KMZ_MALLOC, /* 2 M_DEVBUF */
	116	SOS(socket), KMZ_CREATEZONE, /* 3 M_SOCKET */
	117	SOS(inpcb), KMZ_LOOKUPZONE, /* 4 M_PCB */
	118	M_MBUF, KMZ_SHAREZONE, /* 5 M_RTABLE */
	119	M_MBUF, KMZ_SHAREZONE, /* 6 M_HTABLE */
	120	M_MBUF, KMZ_SHAREZONE, /* 7 M_FTABLE */
	121	SOS(rusage), KMZ_CREATEZONE, /* 8 M_ZOMBIE */
	122	0, KMZ_MALLOC, /* 9 M_IFADDR */
	123	M_MBUF, KMZ_SHAREZONE, /* 10 M_SOOPTS */
	124	0, KMZ_MALLOC, /* 11 M_SONAME */
	125	MAXPATHLEN, KMZ_CREATEZONE, /* 12 M_NAMEI */
	126	0, KMZ_MALLOC, /* 13 M_GPROF */
	127	0, KMZ_MALLOC, /* 14 M_IOCTLOPS */
	128	0, KMZ_MALLOC, /* 15 M_MAPMEM */
	129	SOS(ucred), KMZ_CREATEZONE, /* 16 M_CRED */
	130	SOS(pgrp), KMZ_CREATEZONE, /* 17 M_PGRP */
	131	SOS(session), KMZ_CREATEZONE, /* 18 M_SESSION */
	132	SOS(iovec), KMZ_LOOKUPZONE, /* 19 M_IOV */
	133	SOS(mount), KMZ_CREATEZONE, /* 20 M_MOUNT */
	134	0, KMZ_MALLOC, /* 21 M_FHANDLE */
	135	SOS(nfsreq), KMZ_CREATEZONE, /* 22 M_NFSREQ */
	136	SOS(nfsmount), KMZ_CREATEZONE, /* 23 M_NFSMNT */
	137	SOS(nfsnode), KMZ_CREATEZONE, /* 24 M_NFSNODE */
	138	SOS(vnode), KMZ_CREATEZONE, /* 25 M_VNODE */
	139	SOS(namecache), KMZ_CREATEZONE, /* 26 M_CACHE */
	140	SOX(dquot), KMZ_LOOKUPZONE, /* 27 M_DQUOT */
	141	SOX(ufsmount), KMZ_LOOKUPZONE, /* 28 M_UFSMNT */
	142	0, KMZ_MALLOC, /* 29 M_CGSUM */
	143	0, KMZ_MALLOC, /* 30 M_VMMAP */
	144	0, KMZ_MALLOC, /* 31 M_VMMAPENT */
	145	0, KMZ_MALLOC, /* 32 M_VMOBJ */
	146	0, KMZ_MALLOC, /* 33 M_VMOBJHASH */
	147	0, KMZ_MALLOC, /* 34 M_VMPMAP */
	148	0, KMZ_MALLOC, /* 35 M_VMPVENT */
	149	0, KMZ_MALLOC, /* 36 M_VMPAGER */
	150	0, KMZ_MALLOC, /* 37 M_VMPGDATA */
	151	SOS(file), KMZ_CREATEZONE, /* 38 M_FILE */
	152	SOS(filedesc), KMZ_CREATEZONE, /* 39 M_FILEDESC */
	153	SOX(lockf), KMZ_CREATEZONE, /* 40 M_LOCKF */
	154	SOS(proc), KMZ_CREATEZONE, /* 41 M_PROC */
	155	SOS(pcred), KMZ_CREATEZONE, /* 42 M_SUBPROC */
	156	0, KMZ_MALLOC, /* 43 M_SEGMENT */
	157	M_FFSNODE, KMZ_SHAREZONE, /* 44 M_LFSNODE */
	158	SOS(inode), KMZ_CREATEZONE, /* 45 M_FFSNODE */
159	M_FFSNODE, KMZ_SHAREZONE, /* 46 M_MFSNODE */
160	SOS(nqlease), KMZ_CREATEZONE, /* 47 M_NQLEASE */
161	SOS(nqm), KMZ_CREATEZONE, /* 48 M_NQMHOST */
162	0, KMZ_MALLOC, /* 49 M_NETADDR */
163	SOX(nfssvc_sock),
164	KMZ_CREATEZONE, /* 50 M_NFSSVC */
165	SOS(nfsuid), KMZ_CREATEZONE, /* 51 M_NFSUID */
166	SOX(nfsrvcache),
167	KMZ_CREATEZONE, /* 52 M_NFSD */
168	SOX(ip_moptions),
169	KMZ_LOOKUPZONE, /* 53 M_IPMOPTS */
170	SOX(in_multi), KMZ_LOOKUPZONE, /* 54 M_IPMADDR */
171	SOX(ether_multi),
172	KMZ_LOOKUPZONE, /* 55 M_IFMADDR */
173	SOX(mrt), KMZ_CREATEZONE, /* 56 M_MRTABLE */
174	SOX(iso_mnt), KMZ_LOOKUPZONE, /* 57 M_ISOFSMNT */
175	SOS(iso_node), KMZ_CREATEZONE, /* 58 M_ISOFSNODE */
176	SOS(nfsrv_descript),
177	KMZ_CREATEZONE, /* 59 M_NFSRVDESC */
178	SOS(nfsdmap), KMZ_CREATEZONE, /* 60 M_NFSDIROFF */
179	SOS(fhandle), KMZ_LOOKUPZONE, /* 61 M_NFSBIGFH */
180	0, KMZ_MALLOC, /* 62 M_MSDOSFSMNT */
181	0, KMZ_MALLOC, /* 63 M_MSDOSFSFAT */
182	0, KMZ_MALLOC, /* 64 M_MSDOSFSNODE */
183	SOS(tty), KMZ_CREATEZONE, /* 65 M_TTYS */
184	0, KMZ_MALLOC, /* 66 M_EXEC */
185	0, KMZ_MALLOC, /* 67 M_MISCFSMNT */
186	0, KMZ_MALLOC, /* 68 M_MISCFSNODE */
187	0, KMZ_MALLOC, /* 69 M_ADOSFSMNT */
188	0, KMZ_MALLOC, /* 70 M_ADOSFSNODE */
189	0, KMZ_MALLOC, /* 71 M_ANODE */
190	SOX(buf), KMZ_CREATEZONE, /* 72 M_BUFHDR */
191	(NDFILE * OFILESIZE),
192	KMZ_CREATEZONE, /* 73 M_OFILETABL */
193	MCLBYTES, KMZ_CREATEZONE, /* 74 M_MCLUST */
194	SOX(hfsmount), KMZ_LOOKUPZONE, /* 75 M_HFSMNT */
9bccf70c A	195	SOS(cnode), KMZ_CREATEZONE, /* 76 M_HFSNODE */
9bccf70c A	196	SOS(filefork), KMZ_CREATEZONE, /* 77 M_HFSFORK */
1c79356b A	197	SOX(volfs_mntdata), KMZ_LOOKUPZONE, /* 78 M_VOLFSMNT */
	198	SOS(volfs_vndata), KMZ_CREATEZONE, /* 79 M_VOLFSNODE */
	199	0, KMZ_MALLOC, /* 80 M_TEMP */
	200	0, KMZ_MALLOC, /* 81 M_SECA */
	201	0, KMZ_MALLOC, /* 82 M_DEVFS */
	202	0, KMZ_MALLOC, /* 83 M_IPFW */
	203	0, KMZ_MALLOC, /* 84 M_UDFNODE */
	204	0, KMZ_MALLOC, /* 85 M_UDFMOUNT */
	205	0, KMZ_MALLOC, /* 86 M_IP6NDP */
	206	0, KMZ_MALLOC, /* 87 M_IP6OPT */
9bccf70c A	207	0, KMZ_MALLOC, /* 88 M_IP6MISC */
	208	0, KMZ_MALLOC, /* 89 M_TSEGQ */
	209	0, KMZ_MALLOC, /* 90 M_IGMP */
d7e50217 A	210	SOS(journal), KMZ_CREATEZONE, /* 91 M_JNL_JNL */
d7e50217 A	211	SOS(transaction), KMZ_CREATEZONE, /* 92 M_JNL_TR */
1c79356b A	212	#undef SOS
	213	#undef SOX
	214	};
	215
	216
	217	/*
	218	* Initialize the kernel memory allocator
	219	*/
	220	void
	221	kmeminit(void)
	222	{
	223	struct kmzones *kmz;
	224
d7e50217 A	225	if ((sizeof(kmzones)/sizeof(kmzones[0])) != (sizeof(memname)/sizeof(memname[0]))) {
	226	panic("kmeminit: kmzones has %d elements but memname has %d\n",
	227	(sizeof(kmzones)/sizeof(kmzones[0])), (sizeof(memname)/sizeof(memname[0])));
	228	}
	229
1c79356b A	230	kmz = kmzones;
	231	while (kmz < &kmzones[M_LAST]) {
	232	/* XXX */
	233	if (kmz->kz_elemsize == -1)
	234	;
	235	else
	236	/* XXX */
	237	if (kmz->kz_zalloczone == KMZ_CREATEZONE) {
	238	kmz->kz_zalloczone = zinit(kmz->kz_elemsize,
	239	1024 * 1024, PAGE_SIZE,
	240	memname[kmz - kmzones]);
	241	}
	242	else if (kmz->kz_zalloczone == KMZ_LOOKUPZONE)
	243	kmz->kz_zalloczone = kalloc_zone(kmz->kz_elemsize);
	244
	245	kmz++;
	246	}
	247
	248	kmz = kmzones;
	249	while (kmz < &kmzones[M_LAST]) {
	250	/* XXX */
	251	if (kmz->kz_elemsize == -1)
	252	;
	253	else
	254	/* XXX */
	255	if (kmz->kz_zalloczone == KMZ_SHAREZONE) {
	256	kmz->kz_zalloczone =
	257	kmzones[kmz->kz_elemsize].kz_zalloczone;
	258	kmz->kz_elemsize =
	259	kmzones[kmz->kz_elemsize].kz_elemsize;
	260	}
	261
	262	kmz++;
	263	}
	264	}
	265
	266	#define MDECL(reqlen) \
	267	union { \
	268	struct _mhead hdr; \
	269	char _m[(reqlen) + sizeof (struct _mhead)]; \
	270	}
	271
	272	struct _mhead {
	273	size_t mlen;
	274	char dat[0];
	275	};
	276
9bccf70c A	277	#define ZEROSIZETOKEN 0xFADEDFAD
9bccf70c A	278
1c79356b A	279	void *_MALLOC(
	280	size_t size,
	281	int type,
	282	int flags)
	283	{
	284	MDECL(size) *mem;
	285	size_t memsize = sizeof (*mem);
	286
	287	if (type >= M_LAST)
	288	panic("_malloc TYPE");
	289
9bccf70c A	290	/*
	291	* On zero request we do not return zero as that
	292	* could be mistaken for ENOMEM.
	293	*/
1c79356b	294	if (size == 0)
9bccf70c	295	return (ZEROSIZETOKEN);
1c79356b A	296
	297	if (flags & M_NOWAIT) {
	298	mem = (void *)kalloc_noblock(memsize);
	299	} else {
	300	mem = (void *)kalloc(memsize);
	301	}
	302	if (!mem)
	303	return (0);
	304
	305	mem->hdr.mlen = memsize;
	306
	307	return (mem->hdr.dat);
	308	}
	309
	310	void _FREE(
	311	void *addr,
	312	int type)
	313	{
	314	struct _mhead *hdr;
	315
	316	if (type >= M_LAST)
	317	panic("_free TYPE");
	318
9bccf70c	319	if (addr == (void *)ZEROSIZETOKEN)
1c79356b	320	return;
9bccf70c A	321	if (!addr)
9bccf70c A	322	return; /* correct (convenient bsd kernel legacy) */
1c79356b A	323
	324	hdr = addr; hdr--;
	325	kfree((vm_offset_t)hdr, hdr->mlen);
	326	}
	327
	328	void *_MALLOC_ZONE(
	329	size_t size,
	330	int type,
	331	int flags)
	332	{
	333	struct kmzones *kmz;
	334	void *elem;
	335
	336	if (type >= M_LAST)
	337	panic("_malloc_zone TYPE");
	338
	339	kmz = &kmzones[type];
	340	if (kmz->kz_zalloczone == KMZ_MALLOC)
	341	panic("_malloc_zone ZONE");
	342
	343	/* XXX */
	344	if (kmz->kz_elemsize == -1)
	345	panic("_malloc_zone XXX");
	346	/* XXX */
	347	if (size == kmz->kz_elemsize)
	348	if (flags & M_NOWAIT) {
	349	elem = (void *)zalloc_noblock(kmz->kz_zalloczone);
	350	} else {
	351	elem = (void *)zalloc(kmz->kz_zalloczone);
	352	}
	353	else
	354	if (flags & M_NOWAIT) {
	355	elem = (void *)kalloc_noblock(size);
	356	} else {
	357	elem = (void *)kalloc(size);
	358	}
	359
	360	return (elem);
	361	}
	362
	363	void _FREE_ZONE(
	364	void *elem,
	365	size_t size,
	366	int type)
	367	{
	368	struct kmzones *kmz;
	369
	370	if (type >= M_LAST)
	371	panic("FREE_SIZE");
	372
	373	kmz = &kmzones[type];
	374	if (kmz->kz_zalloczone == KMZ_MALLOC)
	375	panic("free_zone ZONE");
	376
	377	/* XXX */
	378	if (kmz->kz_elemsize == -1)
	379	panic("FREE_SIZE XXX");
	380	/* XXX */
	381	if (size == kmz->kz_elemsize)
	382	zfree(kmz->kz_zalloczone, (vm_offset_t)elem);
	383	else
	384	kfree((vm_offset_t)elem, size);
	385	}