| | 1 | /* |
| | 2 | * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_OSREFERENCE_HEADER_START@ |
| | 5 | * |
| | 6 | * This file contains Original Code and/or Modifications of Original Code |
| | 7 | * as defined in and that are subject to the Apple Public Source License |
| | 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| | 9 | * compliance with the License. The rights granted to you under the |
| | 10 | * License may not be used to create, or enable the creation or |
| | 11 | * redistribution of, unlawful or unlicensed copies of an Apple operating |
| | 12 | * system, or to circumvent, violate, or enable the circumvention or |
| | 13 | * violation of, any terms of an Apple operating system software license |
| | 14 | * agreement. |
| | 15 | * |
| | 16 | * Please obtain a copy of the License at |
| | 17 | * http://www.opensource.apple.com/apsl/ and read it before using this |
| | 18 | * file. |
| | 19 | * |
| | 20 | * The Original Code and all software distributed under the License are |
| | 21 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 22 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 23 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 24 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 25 | * Please see the License for the specific language governing rights and |
| | 26 | * limitations under the License. |
| | 27 | * |
| | 28 | * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ |
| | 29 | */ |
| | 30 | /* |
| | 31 | * Copyright (c) 1980, 1986, 1989, 1993 |
| | 32 | * The Regents of the University of California. All rights reserved. |
| | 33 | * (c) UNIX System Laboratories, Inc. |
| | 34 | * All or some portions of this file are derived from material licensed |
| | 35 | * to the University of California by American Telephone and Telegraph |
| | 36 | * Co. or Unix System Laboratories, Inc. and are reproduced herein with |
| | 37 | * the permission of UNIX System Laboratories, Inc. |
| | 38 | * |
| | 39 | * Redistribution and use in source and binary forms, with or without |
| | 40 | * modification, are permitted provided that the following conditions |
| | 41 | * are met: |
| | 42 | * 1. Redistributions of source code must retain the above copyright |
| | 43 | * notice, this list of conditions and the following disclaimer. |
| | 44 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 45 | * notice, this list of conditions and the following disclaimer in the |
| | 46 | * documentation and/or other materials provided with the distribution. |
| | 47 | * 3. All advertising materials mentioning features or use of this software |
| | 48 | * must display the following acknowledgement: |
| | 49 | * This product includes software developed by the University of |
| | 50 | * California, Berkeley and its contributors. |
| | 51 | * 4. Neither the name of the University nor the names of its contributors |
| | 52 | * may be used to endorse or promote products derived from this software |
| | 53 | * without specific prior written permission. |
| | 54 | * |
| | 55 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| | 56 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 57 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 58 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | 59 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 60 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 61 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 62 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 63 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 64 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 65 | * SUCH DAMAGE. |
| | 66 | * |
| | 67 | * @(#)param.c 8.3 (Berkeley) 8/20/94 |
| | 68 | */ |
| | 69 | |
| | 70 | #include <confdep.h> |
| | 71 | #include <sys/param.h> |
| | 72 | #include <sys/systm.h> |
| | 73 | #include <sys/socket.h> |
| | 74 | #include <sys/vnode_internal.h> |
| | 75 | #include <sys/file_internal.h> |
| | 76 | #include <sys/callout.h> |
| | 77 | #include <sys/clist.h> |
| | 78 | #include <sys/mbuf.h> |
| | 79 | #include <sys/domain.h> |
| | 80 | #include <sys/kernel.h> |
| | 81 | #include <sys/quota.h> |
| | 82 | #include <ufs/ufs/inode.h> |
| | 83 | #include <miscfs/fifofs/fifo.h> |
| | 84 | #include <sys/shm_internal.h> |
| | 85 | #include <sys/aio_kern.h> |
| | 86 | |
| | 87 | struct timezone tz = { TIMEZONE, PST }; |
| | 88 | |
| | 89 | #define NPROC (20 + 16 * MAXUSERS) |
| | 90 | #define HNPROC (20 + 64 * MAXUSERS) |
| | 91 | int maxproc = NPROC; |
| | 92 | __private_extern__ int hard_maxproc = HNPROC; /* hardcoded limit */ |
| | 93 | int nprocs = 0; /* XXX */ |
| | 94 | |
| | 95 | #define NTEXT (80 + NPROC / 8) /* actually the object cache */ |
| | 96 | #define NVNODE (NPROC + NTEXT + 300) |
| | 97 | int desiredvnodes = NVNODE + 700; |
| | 98 | |
| | 99 | #define MAXFILES (OPEN_MAX + 2048) |
| | 100 | int maxfiles = MAXFILES; |
| | 101 | |
| | 102 | unsigned int ncallout = 16 + 2*NPROC; |
| | 103 | int nmbclusters = NMBCLUSTERS; |
| | 104 | int nport = NPROC / 2; |
| | 105 | |
| | 106 | #define MAXSOCKETS NMBCLUSTERS |
| | 107 | int maxsockets = MAXSOCKETS; |
| | 108 | |
| | 109 | /* |
| | 110 | * async IO (aio) configurable limits |
| | 111 | */ |
| | 112 | #define AIO_MAX 90 /* system wide limit of async IO requests */ |
| | 113 | #define AIO_PROCESS_MAX AIO_LISTIO_MAX /* process limit of async IO requests */ |
| | 114 | #define AIO_THREAD_COUNT 4 /* number of async IO worker threads created */ |
| | 115 | int aio_max_requests = AIO_MAX; |
| | 116 | int aio_max_requests_per_process = AIO_PROCESS_MAX; |
| | 117 | int aio_worker_threads = AIO_THREAD_COUNT; |
| | 118 | |
| | 119 | /* |
| | 120 | * These have to be allocated somewhere; allocating |
| | 121 | * them here forces loader errors if this file is omitted |
| | 122 | * (if they've been externed everywhere else; hah!). |
| | 123 | */ |
| | 124 | struct callout *callout; |
| | 125 | struct cblock *cfree; |
| | 126 | struct cblock *cfreelist = 0; |
| | 127 | int cfreecount = 0; |
| | 128 | struct buf *buf; |
| | 129 | struct domain *domains; |
| | 130 | |
projects / apple / xnu.git / blame_incremental