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slub: add missed accounting

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With per-cpu partial list, slab is added to partial list first and then moved
to node list. The __slab_free() code path for add/remove_partial is almost
deprecated(except for slub debug). But we forget to account add/remove_partial
when move per-cpu partial pages to node list, so the statistics for such events
are always 0. Add corresponding accounting.

This is against the patch "slub: use correct parameter to add a page to
partial list tail"

Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Shaohua Li 2011-11-11 14:54:14 +08:00 committed by Pekka Enberg
parent 42616cacf8
commit 4c493a5a5c
1 changed files with 5 additions and 2 deletions
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7
mm/slub.c
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@ -1901,11 +1901,14 @@ static void unfreeze_partials(struct kmem_cache *s)
} }
if (l != m) { if (l != m) {
if (l == M_PARTIAL) if (l == M_PARTIAL) {
remove_partial(n, page); remove_partial(n, page);
else stat(s, FREE_REMOVE_PARTIAL);
} else {
add_partial(n, page, add_partial(n, page,
DEACTIVATE_TO_TAIL); DEACTIVATE_TO_TAIL);
stat(s, FREE_ADD_PARTIAL);
}
l = m; l = m;
} }