diff options
Diffstat (limited to 'mm/slub.c')
-rw-r--r-- | mm/slub.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/mm/slub.c b/mm/slub.c index 6efcbf79fd2d..18f18fbbd97e 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3631,6 +3631,7 @@ static void __slab_free(struct kmem_cache *s, struct slab *slab, unsigned long counters; struct kmem_cache_node *n = NULL; unsigned long flags; + bool on_node_partial; stat(s, FREE_SLOWPATH); @@ -3678,6 +3679,7 @@ static void __slab_free(struct kmem_cache *s, struct slab *slab, */ spin_lock_irqsave(&n->list_lock, flags); + on_node_partial = slab_test_node_partial(slab); } } @@ -3706,6 +3708,15 @@ static void __slab_free(struct kmem_cache *s, struct slab *slab, return; } + /* + * This slab was partially empty but not on the per-node partial list, + * in which case we shouldn't manipulate its list, just return. + */ + if (prior && !on_node_partial) { + spin_unlock_irqrestore(&n->list_lock, flags); + return; + } + if (unlikely(!new.inuse && n->nr_partial >= s->min_partial)) goto slab_empty; |