diff options
| -rw-r--r-- | mm/slub.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/mm/slub.c b/mm/slub.c index 82b2d048a278..5a2d3d8e0558 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1286,6 +1286,7 @@ static struct page *new_slab(struct kmem_cache *s, gfp_t flags, int node) page->freelist = start; page->inuse = 0; + page->frozen = 1; out: return page; } @@ -1424,7 +1425,6 @@ static inline int lock_and_freeze_slab(struct kmem_cache_node *n, { if (slab_trylock(page)) { __remove_partial(n, page); - page->frozen = 1; return 1; } return 0; @@ -1538,7 +1538,6 @@ static void unfreeze_slab(struct kmem_cache *s, struct page *page, int tail) { struct kmem_cache_node *n = get_node(s, page_to_nid(page)); - page->frozen = 0; if (page->inuse) { if (page->freelist) { @@ -1671,6 +1670,7 @@ static void deactivate_slab(struct kmem_cache *s, struct kmem_cache_cpu *c) } c->page = NULL; c->tid = next_tid(c->tid); + page->frozen = 0; unfreeze_slab(s, page, tail); } @@ -1831,6 +1831,8 @@ static void *__slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node, stat(s, ALLOC_REFILL); load_freelist: + VM_BUG_ON(!page->frozen); + object = page->freelist; if (unlikely(!object)) goto another_slab; @@ -1854,6 +1856,7 @@ new_slab: page = get_partial(s, gfpflags, node); if (page) { stat(s, ALLOC_FROM_PARTIAL); + page->frozen = 1; c->node = page_to_nid(page); c->page = page; goto load_freelist; @@ -2371,6 +2374,7 @@ static void early_kmem_cache_node_alloc(int node) BUG_ON(!n); page->freelist = get_freepointer(kmem_cache_node, n); page->inuse++; + page->frozen = 0; kmem_cache_node->node[node] = n; #ifdef CONFIG_SLUB_DEBUG init_object(kmem_cache_node, n, SLUB_RED_ACTIVE); |