From: Jakub Kicinski <kuba@kernel.org>
To: Abel Wu <wuyun.abel@bytedance.com>
Cc: "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>,
Roman Gushchin <roman.gushchin@linux.dev>,
Shakeel Butt <shakeelb@google.com>,
Muchun Song <muchun.song@linux.dev>,
Andrew Morton <akpm@linux-foundation.org>,
David Ahern <dsahern@kernel.org>,
Yosry Ahmed <yosryahmed@google.com>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
Yu Zhao <yuzhao@google.com>,
Kuniyuki Iwashima <kuniyu@amazon.com>,
Alexei Starovoitov <ast@kernel.org>,
Martin KaFai Lau <martin.lau@kernel.org>,
Alexander Mikhalitsyn <alexander@mihalicyn.com>,
Breno Leitao <leitao@debian.org>,
David Howells <dhowells@redhat.com>,
Jason Xing <kernelxing@tencent.com>,
Xin Long <lucien.xin@gmail.com>, Michal Hocko <mhocko@suse.com>,
linux-kernel@vger.kernel.org (open list),
netdev@vger.kernel.org (open list:NETWORKING [GENERAL]),
cgroups@vger.kernel.org (open list:CONTROL GROUP - MEMORY
RESOURCE CONTROLLER (MEMCG)),
linux-mm@kvack.org (open list:CONTROL GROUP - MEMORY RESOURCE
CONTROLLER (MEMCG))
Subject: Re: [PATCH net-next 1/2] net-memcg: Scopify the indicators of sockmem pressure
Date: Mon, 26 Jun 2023 12:58:18 -0700 [thread overview]
Message-ID: <20230626125818.74193aea@kernel.org> (raw)
In-Reply-To: <20230625142820.47185-1-wuyun.abel@bytedance.com>
On Sun, 25 Jun 2023 22:28:10 +0800 Abel Wu wrote:
> Now there are two indicators of socket memory pressure sit inside
> struct mem_cgroup, socket_pressure and tcpmem_pressure.
>
> When in legacy mode aka. cgroupv1, the socket memory is charged
> into a separate counter memcg->tcpmem rather than ->memory, so
> the reclaim pressure of the memcg has nothing to do with socket's
> pressure at all. While for default mode, the ->tcpmem is simply
> not used.
>
> So {socket,tcpmem}_pressure are only used in default/legacy mode
> respectively. This patch fixes the pieces of code that make mixed
> use of both.
The merge window for 6.5 has now started, let's defer this until 6.6.
Please repost in ~2 weeks.
--
pw-bot: defer
prev parent reply other threads:[~2023-06-26 19:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-25 14:28 Abel Wu
2023-06-25 14:28 ` [PATCH net-next 2/2] net-memcg: Remove redundant tcpmem_pressure Abel Wu
2023-06-26 19:58 ` Jakub Kicinski [this message]
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