Commit b13683d1 authored Nov 11, 2011 by Shaohua Li Committed by Pekka Enberg Dec 13, 2011

slub: add missed accounting



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>

parent 8f1e33da

mm/slub.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -1901,11 +1901,14 @@ static void unfreeze_partials(struct kmem_cache *s)
		}

		if (l != m) {
		if (l == M_PARTIAL)
		if (l == M_PARTIAL) {
		remove_partial(n, page);
		else
		stat(s, FREE_REMOVE_PARTIAL);
		} else {
		add_partial(n, page,
		DEACTIVATE_TO_TAIL);
		stat(s, FREE_ADD_PARTIAL);
		}

		l = m;
		}