diff options
| author | Matthew Dillon <dillon@FreeBSD.org> | 2001-12-09 01:57:09 +0000 |
|---|---|---|
| committer | Matthew Dillon <dillon@FreeBSD.org> | 2001-12-09 01:57:09 +0000 |
| commit | 66a11b9fb1208a4c4e0cdc76ace84334b70d5ab1 (patch) | |
| tree | 984073874a0fe22a637b08b562d194a06c9231ee /sys/kern/subr_param.c | |
| parent | c03b8e5e6047b447d26188e822c419d251f4eb42 (diff) | |
Notes
Diffstat (limited to 'sys/kern/subr_param.c')
| -rw-r--r-- | sys/kern/subr_param.c | 58 |
1 files changed, 40 insertions, 18 deletions
diff --git a/sys/kern/subr_param.c b/sys/kern/subr_param.c index fa37bf221d69..06a3dc2dc603 100644 --- a/sys/kern/subr_param.c +++ b/sys/kern/subr_param.c @@ -91,31 +91,17 @@ u_quad_t sgrowsiz; /* amount to grow stack */ struct buf *swbuf; /* - * Boot time overrides + * Boot time overrides that are not scaled against main memory */ void -init_param(void) +init_param1(void) { - /* Base parameters */ - maxusers = MAXUSERS; - TUNABLE_INT_FETCH("kern.maxusers", &maxusers); hz = HZ; TUNABLE_INT_FETCH("kern.hz", &hz); tick = 1000000 / hz; tickadj = howmany(30000, 60 * hz); /* can adjust 30ms in 60s */ - /* The following can be overridden after boot via sysctl */ - maxproc = NPROC; - TUNABLE_INT_FETCH("kern.maxproc", &maxproc); - maxfiles = MAXFILES; - TUNABLE_INT_FETCH("kern.maxfiles", &maxfiles); - maxprocperuid = maxproc - 1; - maxfilesperproc = maxfiles; - - /* Cannot be changed after boot */ - nbuf = NBUF; - TUNABLE_INT_FETCH("kern.nbuf", &nbuf); #ifdef VM_SWZONE_SIZE_MAX maxswzone = VM_SWZONE_SIZE_MAX; #endif @@ -124,8 +110,6 @@ init_param(void) maxbcache = VM_BCACHE_SIZE_MAX; #endif TUNABLE_INT_FETCH("kern.maxbcache", &maxbcache); - ncallout = 16 + maxproc + maxfiles; - TUNABLE_INT_FETCH("kern.ncallout", &ncallout); maxtsiz = MAXTSIZ; TUNABLE_QUAD_FETCH("kern.maxtsiz", &maxtsiz); @@ -140,3 +124,41 @@ init_param(void) sgrowsiz = SGROWSIZ; TUNABLE_QUAD_FETCH("kern.sgrowsiz", &sgrowsiz); } + +/* + * Boot time overrides that are scaled against main memory + */ +void +init_param2(int physpages) +{ + + /* Base parameters */ + if ((maxusers = MAXUSERS) == 0) { + maxusers = physpages / (1024 * 1024 / PAGE_SIZE); + if (maxusers < 32) + maxusers = 32; + if (maxusers > 512) + maxusers = 512; + } + TUNABLE_INT_FETCH("kern.maxusers", &maxusers); + + /* + * The following can be overridden after boot via sysctl. Note: + * unless overriden, these macros are ultimately based on maxusers. + */ + maxproc = NPROC; + TUNABLE_INT_FETCH("kern.maxproc", &maxproc); + maxfiles = MAXFILES; + TUNABLE_INT_FETCH("kern.maxfiles", &maxfiles); + maxprocperuid = maxproc - 1; + maxfilesperproc = maxfiles; + + /* + * Cannot be changed after boot. + */ + nbuf = NBUF; + TUNABLE_INT_FETCH("kern.nbuf", &nbuf); + + ncallout = 16 + maxproc + maxfiles; + TUNABLE_INT_FETCH("kern.ncallout", &ncallout); +} |