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| author | David S. Miller <davem@davemloft.net> | 2016-02-01 18:44:07 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-02-01 18:44:07 -0800 |
| commit | b45efa30a626e915192a6c548cd8642379cd47cc (patch) | |
| tree | 90d8b43ebceb850b0e7852d75283aebbd2abbc00 /mm/slub.c | |
| parent | 7a26019fdecdb45ff784ae4e3b7e0cc9045100ca (diff) | |
| parent | 34229b277480f46c1e9a19f027f30b074512e68b (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/mm/slub.c b/mm/slub.c index 2d0e610d195a..2e1355ac056b 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -338,11 +338,13 @@ static inline int oo_objects(struct kmem_cache_order_objects x) */ static __always_inline void slab_lock(struct page *page) { + VM_BUG_ON_PAGE(PageTail(page), page); bit_spin_lock(PG_locked, &page->flags); } static __always_inline void slab_unlock(struct page *page) { + VM_BUG_ON_PAGE(PageTail(page), page); __bit_spin_unlock(PG_locked, &page->flags); } @@ -5205,7 +5207,7 @@ static ssize_t slab_attr_store(struct kobject *kobj, return -EIO; err = attribute->store(s, buf, len); -#ifdef CONFIG_MEMCG_KMEM +#ifdef CONFIG_MEMCG if (slab_state >= FULL && err >= 0 && is_root_cache(s)) { struct kmem_cache *c; @@ -5240,7 +5242,7 @@ static ssize_t slab_attr_store(struct kobject *kobj, static void memcg_propagate_slab_attrs(struct kmem_cache *s) { -#ifdef CONFIG_MEMCG_KMEM +#ifdef CONFIG_MEMCG int i; char *buffer = NULL; struct kmem_cache *root_cache; @@ -5326,7 +5328,7 @@ static struct kset *slab_kset; static inline struct kset *cache_kset(struct kmem_cache *s) { -#ifdef CONFIG_MEMCG_KMEM +#ifdef CONFIG_MEMCG if (!is_root_cache(s)) return s->memcg_params.root_cache->memcg_kset; #endif @@ -5403,7 +5405,7 @@ static int sysfs_slab_add(struct kmem_cache *s) if (err) goto out_del_kobj; -#ifdef CONFIG_MEMCG_KMEM +#ifdef CONFIG_MEMCG if (is_root_cache(s)) { s->memcg_kset = kset_create_and_add("cgroup", NULL, &s->kobj); if (!s->memcg_kset) { @@ -5436,7 +5438,7 @@ void sysfs_slab_remove(struct kmem_cache *s) */ return; -#ifdef CONFIG_MEMCG_KMEM +#ifdef CONFIG_MEMCG kset_unregister(s->memcg_kset); #endif kobject_uevent(&s->kobj, KOBJ_REMOVE); |