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Mon, 08 Sep 2025 10:51:42 -0700 (PDT) MIME-Version: 1.0 References: <6qu2uo3d2msctkkz5slhx5piqtt64wsvkgkvjjpd255k7nrds4@qtffskmesivg> In-Reply-To: From: Suren Baghdasaryan Date: Mon, 8 Sep 2025 10:51:30 -0700 X-Gm-Features: AS18NWDsU1J1RP4dbV6eRyI9elf2CPlWHKgnI901gTzxBYcnOYe7IoD0JikeTzY Message-ID: Subject: Re: [RFC 0/1] Try to add memory allocation info for cgroup oom kill To: Kent Overstreet Cc: Michal Hocko , Yueyang Pan , Shakeel Butt , Usama Arif , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Sourav Panda , Pasha Tatashin , Johannes Weiner Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 3BE34120003 X-Rspamd-Server: rspam05 X-Stat-Signature: 7t3gcfmyqem1q3j1c1tyw15fn1mzmg4o X-Rspam-User: X-HE-Tag: 1757353904-672398 X-HE-Meta: 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 y7rq5u4U JaFtikOXGYNDJvJOTOFobi5YSEfg0P8F3r53RRTAtz5e8DE6hzKJmimIU0VZMzvHVZYMVmoccS+znsWtxNHWHVcnvipztADZSssdQkNAeDKUbB26Pl8mtcOdYH1z06PsNsqR95LrdbJMrwd7b4s+qPQXomao0weWNEFJ82d+WeC/jFC9Q1EVLeFomVjXjfRKsCt+r X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Sep 8, 2025 at 10:49=E2=80=AFAM Kent Overstreet wrote: > > On Mon, Sep 08, 2025 at 10:47:06AM -0700, Suren Baghdasaryan wrote: > > On Mon, Sep 8, 2025 at 10:34=E2=80=AFAM Kent Overstreet > > wrote: > > > > > > I think that got the memcg people looking at ways to make the account= ing > > > cheaper, but I'm not sure if anything landed from that. > > > > Yes, Roman landed a series of changes reducing the memcg accounting ove= rhead. > > Do you know offhand how big that was? I'll need to dig it up but it was still much higher than memory profiling.