[PATCH 2/2] mm: Use kvfree_rcu() in update_memcg_params()
From: Kirill Tkhai <hidden>
Date: 2018-02-06 10:20:22
Also in:
lkml
Subsystem:
memory management, slab allocator, the rest · Maintainers:
Andrew Morton, Vlastimil Babka, Harry Yoo, Linus Torvalds
Make update_memcg_params() to use generic kvfree_rcu() helper and remove free_memcg_params() code. Signed-off-by: Kirill Tkhai <redacted> --- mm/slab_common.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 10f127b2de7c..92d4a3a9471d 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c@@ -190,14 +190,6 @@ static void destroy_memcg_params(struct kmem_cache *s) kvfree(rcu_access_pointer(s->memcg_params.memcg_caches)); } -static void free_memcg_params(struct rcu_head *rcu) -{ - struct memcg_cache_array *old; - - old = container_of(rcu, struct memcg_cache_array, rcu); - kvfree(old); -} - static int update_memcg_params(struct kmem_cache *s, int new_array_size) { struct memcg_cache_array *old, *new;
@@ -215,7 +207,7 @@ static int update_memcg_params(struct kmem_cache *s, int new_array_size) rcu_assign_pointer(s->memcg_params.memcg_caches, new); if (old) - call_rcu(&old->rcu, free_memcg_params); + kvfree_rcu(old, rcu); return 0; } --
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