diff options
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/mm/slab.c b/mm/slab.c index 65b5dcb6f671..c4b89eaf4c96 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2382,7 +2382,7 @@ out: return nr_freed; } -int __kmem_cache_shrink(struct kmem_cache *cachep) +int __kmem_cache_shrink(struct kmem_cache *cachep, bool deactivate) { int ret = 0; int node; @@ -2404,7 +2404,7 @@ int __kmem_cache_shutdown(struct kmem_cache *cachep) { int i; struct kmem_cache_node *n; - int rc = __kmem_cache_shrink(cachep); + int rc = __kmem_cache_shrink(cachep, false); if (rc) return rc; @@ -3708,8 +3708,7 @@ static int do_tune_cpucache(struct kmem_cache *cachep, int limit, int batchcount, int shared, gfp_t gfp) { int ret; - struct kmem_cache *c = NULL; - int i = 0; + struct kmem_cache *c; ret = __do_tune_cpucache(cachep, limit, batchcount, shared, gfp); @@ -3719,12 +3718,10 @@ static int do_tune_cpucache(struct kmem_cache *cachep, int limit, if ((ret < 0) || !is_root_cache(cachep)) return ret; - VM_BUG_ON(!mutex_is_locked(&slab_mutex)); - for_each_memcg_cache_index(i) { - c = cache_from_memcg_idx(cachep, i); - if (c) - /* return value determined by the parent cache only */ - __do_tune_cpucache(c, limit, batchcount, shared, gfp); + lockdep_assert_held(&slab_mutex); + for_each_memcg_cache(c, cachep) { + /* return value determined by the root cache only */ + __do_tune_cpucache(c, limit, batchcount, shared, gfp); } return ret; |