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authorIngo Molnar <mingo@kernel.org>2017-10-24 13:17:20 +0200
committerIngo Molnar <mingo@kernel.org>2017-10-24 13:17:20 +0200
commit9babb091e0ec84f7503fde0a2d9a2a16a0f48e3c (patch)
tree9b6f07288b9ca9d8444414cd7da291d7c4731da7 /mm/memcontrol.c
parent5cdda5117e125e0dbb020425cc55a4c143c6febc (diff)
parentbb176f67090ca54869fc1262c913aa69d2ede070 (diff)
Merge tag 'v4.14-rc6' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index d5f3a62887cf..661f046ad318 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5828,21 +5828,6 @@ void mem_cgroup_sk_alloc(struct sock *sk)
if (!mem_cgroup_sockets_enabled)
return;
- /*
- * Socket cloning can throw us here with sk_memcg already
- * filled. It won't however, necessarily happen from
- * process context. So the test for root memcg given
- * the current task's memcg won't help us in this case.
- *
- * Respecting the original socket's memcg is a better
- * decision in this case.
- */
- if (sk->sk_memcg) {
- BUG_ON(mem_cgroup_is_root(sk->sk_memcg));
- css_get(&sk->sk_memcg->css);
- return;
- }
-
rcu_read_lock();
memcg = mem_cgroup_from_task(current);
if (memcg == root_mem_cgroup)