jimzah/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src.git synced 2024-12-04 10:19:26 +00:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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"