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Update vm zone list traversal for changes made to kernel. Note that this

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is ultimately silly because no locks are held in user space while traversing
the list via kvm_reads... really, this should use the sysctl interface
which *is* protected by a lock in the kernel.
This commit is contained in:
Matt Jacob 2001-01-23 00:09:30 +00:00
parent 6d84d742df
commit 97ace1c6ac
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=71402
1 changed files with 6 additions and 2 deletions
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8
usr.bin/vmstat/vmstat.c
View file

@ -866,6 +866,7 @@ domem()
void
dozmem()
{
static SLIST_HEAD(vm_zone_list, vm_zone) zlist;
vm_zone_t zonep;
int nmax = 512;
int zused_bytes = 0;
@ -880,7 +881,10 @@ dozmem()
"mem-use"
);
kread(X_ZLIST, &zonep, sizeof(zonep));
SLIST_INIT(&zlist);
kread(X_ZLIST, &zlist, sizeof(zlist));
zonep = SLIST_FIRST(&zlist);
while (zonep != NULL && nmax) {
struct vm_zone zone;
char buf[32];
@ -904,7 +908,7 @@ dozmem()
zused_bytes += (zone.ztotal - zone.zfreecnt) * zone.zsize;
ztotal_bytes += zone.ztotal * zone.zsize;
--nmax;
zonep = zone.znext;
zonep = SLIST_NEXT(&zone, zent);
}
printf(
"------------------------------------------\n"