diff options
Diffstat (limited to 'sys/kern/kern_sysctl.c')
| -rw-r--r-- | sys/kern/kern_sysctl.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/sys/kern/kern_sysctl.c b/sys/kern/kern_sysctl.c index e6783216459..3781a4c02fc 100644 --- a/sys/kern/kern_sysctl.c +++ b/sys/kern/kern_sysctl.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_sysctl.c,v 1.239 2013/06/13 15:00:04 tedu Exp $ */ +/* $OpenBSD: kern_sysctl.c,v 1.240 2013/07/09 15:37:43 beck Exp $ */ /* $NetBSD: kern_sysctl.c,v 1.17 1996/05/20 17:49:05 mrg Exp $ */ /*- @@ -110,7 +110,6 @@ extern struct disklist_head disklist; extern fixpt_t ccpu; extern long numvnodes; extern u_int mcllivelocks; -extern psize_t b_dmapages_total, b_highpages_total, b_dmamaxpages; extern void nmbclust_update(void); @@ -567,8 +566,8 @@ kern_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp, return (sysctl_cptime2(name + 1, namelen -1, oldp, oldlenp, newp, newlen)); case KERN_CACHEPCT: { - psize_t pgs; - int opct; + u_int64_t dmapages; + int opct, pgs; opct = bufcachepercent; error = sysctl_int(oldp, oldlenp, newp, newlen, &bufcachepercent); @@ -578,11 +577,9 @@ kern_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp, bufcachepercent = opct; return (EINVAL); } + dmapages = uvm_pagecount(&dma_constraint); if (bufcachepercent != opct) { - pgs = (b_highpages_total + b_dmapages_total) - * bufcachepercent / 100; - b_dmamaxpages = b_dmapages_total * bufcachepercent - / 100; + pgs = bufcachepercent * dmapages / 100; bufadjust(pgs); /* adjust bufpages */ bufhighpages = bufpages; /* set high water mark */ } |