projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| b1078c35 | 1 | /* |
| da83315a KM |
2 | * Copyright (c) 1980, 1986, 1989 Regents of the University of California. |
| 3 | * All rights reserved. | |
| 86cbc46c | 4 | * |
| da83315a KM |
5 | * Redistribution and use in source and binary forms are permitted |
| 6 | * provided that the above copyright notice and this paragraph are | |
| 7 | * duplicated in all such forms and that any documentation, | |
| 8 | * advertising materials, and other materials related to such | |
| 9 | * distribution and use acknowledge that the software was developed | |
| 10 | * by the University of California, Berkeley. The name of the | |
| 11 | * University may not be used to endorse or promote products derived | |
| 12 | * from this software without specific prior written permission. | |
| 13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 15 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 16 | * | |
| b0f6c0d9 | 17 | * @(#)param.c 7.10 (Berkeley) %G% |
| b1078c35 KM |
18 | */ |
| 19 | ||
| 20 | #ifndef lint | |
| 21 | char copyright[] = | |
| da83315a | 22 | "@(#) Copyright (c) 1980, 1986, 1989 Regents of the University of California.\n\ |
| b1078c35 KM |
23 | All rights reserved.\n"; |
| 24 | #endif not lint | |
| ec6f91b0 | 25 | |
| 2f44f7b7 KM |
26 | #include "../sys/param.h" |
| 27 | #include "../sys/systm.h" | |
| 28 | #include "../sys/socket.h" | |
| 2f44f7b7 KM |
29 | #include "../sys/user.h" |
| 30 | #include "../sys/proc.h" | |
| 31 | #include "../sys/text.h" | |
| da83315a | 32 | #include "../sys/vnode.h" |
| 2f44f7b7 KM |
33 | #include "../sys/file.h" |
| 34 | #include "../sys/callout.h" | |
| 35 | #include "../sys/clist.h" | |
| 36 | #include "../sys/cmap.h" | |
| 37 | #include "../sys/mbuf.h" | |
| 38 | #include "../ufs/quota.h" | |
| 39 | #include "../sys/kernel.h" | |
| ec6f91b0 BJ |
40 | /* |
| 41 | * System parameter formulae. | |
| 42 | * | |
| 43 | * This file is copied into each directory where we compile | |
| 44 | * the kernel; it should be modified there to suit local taste | |
| 45 | * if necessary. | |
| 46 | * | |
| 47 | * Compiled with -DHZ=xx -DTIMEZONE=x -DDST=x -DMAXUSERS=xx | |
| 48 | */ | |
| 49 | ||
| 46a9a1d7 | 50 | #ifndef HZ |
| bf75e5ce | 51 | #define HZ 100 |
| 46a9a1d7 | 52 | #endif |
| ec6f91b0 | 53 | int hz = HZ; |
| bf75e5ce | 54 | int tick = 1000000 / HZ; |
| 6f33ca1e | 55 | int tickadj = 240000 / (60 * HZ); /* can adjust 240ms in 60s */ |
| bf75e5ce | 56 | struct timezone tz = { TIMEZONE, DST }; |
| ec6f91b0 BJ |
57 | #define NPROC (20 + 8 * MAXUSERS) |
| 58 | int nproc = NPROC; | |
| e0be43f9 | 59 | int ntext = 36 + MAXUSERS; |
| 380cb638 | 60 | #define NVNODE ((NPROC + 16 + MAXUSERS) + 32) |
| 1eb91f17 | 61 | int desiredvnodes = NVNODE; |
| b025a45a | 62 | int nfile = 16 * (NPROC + 16 + MAXUSERS) / 10 + 32; |
| 2067e85f | 63 | int ncallout = 16 + NPROC; |
| e31e5017 | 64 | int nclist = 60 + 12 * MAXUSERS; |
| 5b3fa994 | 65 | int nmbclusters = NMBCLUSTERS; |
| 80b6b780 | 66 | int fscale = FSCALE; /* kernel uses `FSCALE', user uses `fscale' */ |
| ec6f91b0 BJ |
67 | |
| 68 | /* | |
| 69 | * These are initialized at bootstrap time | |
| 70 | * to values dependent on memory size | |
| 71 | */ | |
| 72 | int nbuf, nswbuf; | |
| 73 | ||
| 74 | /* | |
| 75 | * These have to be allocated somewhere; allocating | |
| 6f33ca1e MK |
76 | * them here forces loader errors if this file is omitted |
| 77 | * (if they've been externed everywhere else; hah!). | |
| ec6f91b0 BJ |
78 | */ |
| 79 | struct proc *proc, *procNPROC; | |
| 80 | struct text *text, *textNTEXT; | |
| ec6f91b0 BJ |
81 | struct file *file, *fileNFILE; |
| 82 | struct callout *callout; | |
| 83 | struct cblock *cfree; | |
| ec6f91b0 | 84 | struct buf *buf, *swbuf; |
| ec6f91b0 BJ |
85 | char *buffers; |
| 86 | struct cmap *cmap, *ecmap; |