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>

1 files changed, 1 insertions, 1 deletions

diff --git a/mm/slub.c b/mm/slub.c
index 8f687575d310..e06f72c81e53 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -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,