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-rw-r--r--mm/slab.h30
1 files changed, 8 insertions, 22 deletions
diff --git a/mm/slab.h b/mm/slab.h
index db9fb5c8dae7..a8d5eb1c323f 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -547,36 +547,22 @@ static inline void memcg_slab_post_alloc_hook(struct kmem_cache *s,
obj_cgroup_put(objcg);
}
-static inline void memcg_slab_free_hook(struct kmem_cache *s_orig,
+static inline void memcg_slab_free_hook(struct kmem_cache *s, struct slab *slab,
void **p, int objects)
{
- struct kmem_cache *s;
struct obj_cgroup **objcgs;
- struct obj_cgroup *objcg;
- struct slab *slab;
- unsigned int off;
int i;
if (!memcg_kmem_enabled())
return;
- for (i = 0; i < objects; i++) {
- if (unlikely(!p[i]))
- continue;
-
- slab = virt_to_slab(p[i]);
- /* we could be given a kmalloc_large() object, skip those */
- if (!slab)
- continue;
-
- objcgs = slab_objcgs(slab);
- if (!objcgs)
- continue;
+ objcgs = slab_objcgs(slab);
+ if (!objcgs)
+ return;
- if (!s_orig)
- s = slab->slab_cache;
- else
- s = s_orig;
+ for (i = 0; i < objects; i++) {
+ struct obj_cgroup *objcg;
+ unsigned int off;
off = obj_to_index(s, slab, p[i]);
objcg = objcgs[off];
@@ -628,7 +614,7 @@ static inline void memcg_slab_post_alloc_hook(struct kmem_cache *s,
{
}
-static inline void memcg_slab_free_hook(struct kmem_cache *s,
+static inline void memcg_slab_free_hook(struct kmem_cache *s, struct slab *slab,
void **p, int objects)
{
}