]> git.ipfire.org Git - thirdparty/kernel/linux.git/commit
net: Call trace_sock_exceed_buf_limit() for memcg failure with SK_MEM_RECV.
authorKuniyuki Iwashima <kuniyu@google.com>
Fri, 15 Aug 2025 20:16:12 +0000 (20:16 +0000)
committerJakub Kicinski <kuba@kernel.org>
Wed, 20 Aug 2025 02:20:59 +0000 (19:20 -0700)
commit9d85c565a7b7c78b732393c02bcaa4d5c275fe58
treee35c47c42f8ead6bd9a739eb84fcee42c3b2a1e9
parente2afa83296bbac40829624b508492b562a21e4d4
net: Call trace_sock_exceed_buf_limit() for memcg failure with SK_MEM_RECV.

Initially, trace_sock_exceed_buf_limit() was invoked when
__sk_mem_raise_allocated() failed due to the memcg limit or the
global limit.

However, commit d6f19938eb031 ("net: expose sk wmem in
sock_exceed_buf_limit tracepoint") somehow suppressed the event
only when memcg failed to charge for SK_MEM_RECV, although the
memcg failure for SK_MEM_SEND still triggers the event.

Let's restore the event for SK_MEM_RECV.

Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Shakeel Butt <shakeel.butt@linux.dev>
Link: https://patch.msgid.link/20250815201712.1745332-5-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/core/sock.c