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Protect the initial list traversal in sysctl_vm_zone() with the uma_mtx.

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This commit is contained in:
Jeff Roberson 2002-04-14 12:39:38 +00:00
parent eb12e52a25
commit 0da47b2fc6
1 changed files with 2 additions and 0 deletions
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2
sys/vm/uma_core.c
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@ -1947,8 +1947,10 @@ sysctl_vm_zone(SYSCTL_HANDLER_ARGS)
char *p;
cnt = 0;
mtx_lock(&uma_mtx);
LIST_FOREACH(z, &uma_zones, uz_link)
cnt++;
mtx_unlock(&uma_mtx);
MALLOC(tmpbuf, char *, (cnt == 0 ? 1 : cnt) * linesize,
M_TEMP, M_WAITOK);
len = snprintf(tmpbuf, linesize,