slub: Discard slab page when node partial > minimum partial number

Discarding slab should be done when node partial > min_partial.  Otherwise,
node partial slab may eat up all memory.

Signed-off-by: Alex Shi <alex.shi@intel.com>
Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Alex Shi 2011-09-06 14:46:01 +08:00 committed by Pekka Enberg
parent 9f26490412
commit dcc3be6a54

View file

@ -1953,7 +1953,7 @@ static void unfreeze_partials(struct kmem_cache *s)
new.frozen = 0;
if (!new.inuse && (!n || n->nr_partial < s->min_partial))
if (!new.inuse && (!n || n->nr_partial > s->min_partial))
m = M_FREE;
else {
struct kmem_cache_node *n2 = get_node(s,