diff options
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/mm/slub.c b/mm/slub.c index 87f9f32bf0c..985332b3885 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -31,6 +31,7 @@ #include <linux/fault-inject.h> #include <linux/stacktrace.h> #include <linux/prefetch.h> +#include <linux/memcontrol.h> #include <trace/events/kmem.h> @@ -3786,7 +3787,7 @@ static int slab_unmergeable(struct kmem_cache *s) return 0; } -static struct kmem_cache *find_mergeable(size_t size, +static struct kmem_cache *find_mergeable(struct mem_cgroup *memcg, size_t size, size_t align, unsigned long flags, const char *name, void (*ctor)(void *)) { @@ -3822,17 +3823,21 @@ static struct kmem_cache *find_mergeable(size_t size, if (s->size - size >= sizeof(void *)) continue; + if (!cache_match_memcg(s, memcg)) + continue; + return s; } return NULL; } -struct kmem_cache *__kmem_cache_alias(const char *name, size_t size, - size_t align, unsigned long flags, void (*ctor)(void *)) +struct kmem_cache * +__kmem_cache_alias(struct mem_cgroup *memcg, const char *name, size_t size, + size_t align, unsigned long flags, void (*ctor)(void *)) { struct kmem_cache *s; - s = find_mergeable(size, align, flags, name, ctor); + s = find_mergeable(memcg, size, align, flags, name, ctor); if (s) { s->refcount++; /* @@ -5156,6 +5161,12 @@ static char *create_unique_id(struct kmem_cache *s) if (p != name + 1) *p++ = '-'; p += sprintf(p, "%07d", s->size); + +#ifdef CONFIG_MEMCG_KMEM + if (!is_root_cache(s)) + p += sprintf(p, "-%08d", memcg_cache_id(s->memcg_params->memcg)); +#endif + BUG_ON(p > name + ID_STR_LENGTH - 1); return name; } |