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| author | msmith <msmith@FreeBSD.org> | 1999-01-21 21:54:32 +0000 |
|---|---|---|
| committer | msmith <msmith@FreeBSD.org> | 1999-01-21 21:54:32 +0000 |
| commit | b8598e583edea9bfd92993ac2988d8a0f5449fad (patch) | |
| tree | 9957bc53aaca0642fcdc36fbf6a5290b41f08a61 /sys/kern/kern_malloc.c | |
| parent | d92556606fda6dd62bb19f70e29265013e58ca83 (diff) | |
| download | FreeBSD-src-b8598e583edea9bfd92993ac2988d8a0f5449fad.zip FreeBSD-src-b8598e583edea9bfd92993ac2988d8a0f5449fad.tar.gz | |
Allow VM_KMEM_SIZE to be tuned from the kernel environment. This tuning
value *completely* overrides any value precalculated by the kernel.
Diffstat (limited to 'sys/kern/kern_malloc.c')
| -rw-r--r-- | sys/kern/kern_malloc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/kern/kern_malloc.c b/sys/kern/kern_malloc.c index be9f9d3..04ca105 100644 --- a/sys/kern/kern_malloc.c +++ b/sys/kern/kern_malloc.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)kern_malloc.c 8.3 (Berkeley) 1/4/94 - * $Id: kern_malloc.c,v 1.51 1999/01/10 01:58:24 eivind Exp $ + * $Id: kern_malloc.c,v 1.52 1999/01/21 08:29:04 dillon Exp $ */ #include "opt_vm.h" @@ -395,6 +395,7 @@ kmeminit(dummy) register long indx; int npg; int mem_size; + int xvm_kmem_size; #if ((MAXALLOCSAVE & (MAXALLOCSAVE - 1)) != 0) #error "kmeminit: MAXALLOCSAVE not power of 2" @@ -431,6 +432,10 @@ kmeminit(dummy) vm_kmem_size = VM_KMEM_SIZE_MAX; #endif + /* Allow final override from the kernel environment */ + if (getenv_int("kern.vm.kmem.size", &xvm_kmem_size)) + vm_kmem_size = xvm_kmem_size; + if (vm_kmem_size > 2 * (cnt.v_page_count * PAGE_SIZE)) vm_kmem_size = 2 * (cnt.v_page_count * PAGE_SIZE); |
