[PATCH v3 net-next 02/12] mptcp: Use tcp_under_memory_pressure() in mptcp_epollin_ready().
From: Kuniyuki Iwashima <kuniyu@google.com>
Date: 2025-08-12 17:59:03
Also in:
cgroups, linux-mm, mptcp
Subsystem:
networking [general], networking [mptcp], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Matthieu Baerts, Mat Martineau, Linus Torvalds
Some conditions used in mptcp_epollin_ready() are the same as tcp_under_memory_pressure(). We will modify tcp_under_memory_pressure() in the later patch. Let's use tcp_under_memory_pressure() instead. Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Eric Dumazet <edumazet@google.com> --- net/mptcp/protocol.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index b15d7fab5c4b..a1787a1344ac 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h@@ -788,9 +788,7 @@ static inline bool mptcp_epollin_ready(const struct sock *sk) * as it can always coalesce them */ return (data_avail >= sk->sk_rcvlowat) || - (mem_cgroup_sockets_enabled && sk->sk_memcg && - mem_cgroup_under_socket_pressure(sk->sk_memcg)) || - READ_ONCE(tcp_memory_pressure); + tcp_under_memory_pressure(sk); } int mptcp_set_rcvlowat(struct sock *sk, int val);
--
2.51.0.rc0.205.g4a044479a3-goog