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| author | jeff <jeff@FreeBSD.org> | 2002-04-14 12:39:38 +0000 |
|---|---|---|
| committer | jeff <jeff@FreeBSD.org> | 2002-04-14 12:39:38 +0000 |
| commit | 8745059e4f7c816ee0f0b5fd0e603be493570c0e (patch) | |
| tree | f2ed4c866cac7cd314092e20e87c055b761bb0b0 /sys | |
| parent | 3b69e0094ce6b020016ab6d398abcd617b712a6c (diff) | |
| download | FreeBSD-src-8745059e4f7c816ee0f0b5fd0e603be493570c0e.zip FreeBSD-src-8745059e4f7c816ee0f0b5fd0e603be493570c0e.tar.gz | |
Protect the initial list traversal in sysctl_vm_zone() with the uma_mtx.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/vm/uma_core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/vm/uma_core.c b/sys/vm/uma_core.c index 100a1ab..a0a4469 100644 --- a/sys/vm/uma_core.c +++ b/sys/vm/uma_core.c @@ -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, |
