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-rw-r--r--mm/memcontrol.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index d09776cd6e10..2058b8da18db 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -6682,19 +6682,9 @@ 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) {
- css_get(&sk->sk_memcg->css);
+ /* Do not associate the sock with unrelated interrupted task's memcg. */
+ if (in_interrupt())
return;
- }
rcu_read_lock();
memcg = mem_cgroup_from_task(current);