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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-27 21:33:13 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-27 21:33:13 +0300 |
| commit | c2a552197106b45d0d801d5b8a6be47563a700df (patch) | |
| tree | 61d42c1887b843170874bfec3cacc45211ed916a /mm/slab_common.c | |
| parent | 9905f32aefbe3d9cb2d24c3bd9c882397eaf3842 (diff) | |
| parent | d6d5df1db6e9d7f8f76d2911707f7d5877251b02 (diff) | |
| download | linux-c2a552197106b45d0d801d5b8a6be47563a700df.tar.xz | |
Merge 5.4-rc5 into tty-next
We want the tty/serial fix in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/slab_common.c')
| -rw-r--r-- | mm/slab_common.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c index c29f03adca91..f9fb27b4c843 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -178,10 +178,13 @@ static int init_memcg_params(struct kmem_cache *s, static void destroy_memcg_params(struct kmem_cache *s) { - if (is_root_cache(s)) + if (is_root_cache(s)) { kvfree(rcu_access_pointer(s->memcg_params.memcg_caches)); - else + } else { + mem_cgroup_put(s->memcg_params.memcg); + WRITE_ONCE(s->memcg_params.memcg, NULL); percpu_ref_exit(&s->memcg_params.refcnt); + } } static void free_memcg_params(struct rcu_head *rcu) @@ -253,8 +256,6 @@ static void memcg_unlink_cache(struct kmem_cache *s) } else { list_del(&s->memcg_params.children_node); list_del(&s->memcg_params.kmem_caches_node); - mem_cgroup_put(s->memcg_params.memcg); - WRITE_ONCE(s->memcg_params.memcg, NULL); } } #else |