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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1766625429; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=sX9PtPc4xL/CYh2SYTyc/emBz8y2Tnv1KscJeiPt0Gs=; b=JmOcZEDZ8YezgFbsYJC+3/mj2M4nKIJInN27YuvCQmUB5YpCV5Z7vmUMNjxLTopf++M0oC 0wtGPuKuVfFSdZNoB+y+iRezqHFw2MJ4Kz82lH4GJ1/SuuXcLsFj4YrIOTrRY6sKEzyKqN y+ZnCtw4Mvo6TPd+86At27TI8iUn2lA= From: Roman Gushchin To: Yafang Shao Cc: bpf@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, JP Kobryn , Alexei Starovoitov , Daniel Borkmann , Shakeel Butt , Michal Hocko , Johannes Weiner Subject: Re: [PATCH bpf-next v4 0/6] mm: bpf kfuncs to access memcg data In-Reply-To: (Yafang Shao's message of "Wed, 24 Dec 2025 11:01:18 +0800") References: <20251223044156.208250-1-roman.gushchin@linux.dev> Date: Wed, 24 Dec 2025 17:16:53 -0800 Message-ID: <87cy439x8a.fsf@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Queue-Id: 62317140008 X-Rspamd-Server: rspam04 X-Stat-Signature: dg9d1674nipgbzkfxzg6e3xjqtrob7nn X-HE-Tag: 1766625431-673031 X-HE-Meta: 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 6TWZdHxu J79EKBIzJE220EzkrJ7bzk2lnyqLMS1nKZZX7lZxzMnrLsRy5cUBJb/sbyoRH1nPLQEmFYZ/IigCXjguTA4B8kUhPc6eN7uEFKQsDMjOdRl0irMxbF5kZYYfUKeJwASbViDPWtl+96AXh9OCWBgFP58Phf5dJGzIwatOm2RS4vwxnRuXjd6KU4dk20TIZsg8zUbaysJAXUzBz3JugiwRx9+N0Tg/OuHh7ei92hfHCbvJEeh9b8CtcyQYoMXD5Wx5UCzeEXXhTSP8ar569EriKJwngw8FAKFqyATR+Lv31o6Lgif1ZrQhpDSG6HiPMOyFAnixSsG8v8yrGO2w= 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: Yafang Shao writes: > On Tue, Dec 23, 2025 at 12:43=E2=80=AFPM Roman Gushchin > wrote: >> >> Introduce kfuncs to simplify the access to the memcg data. >> These kfuncs can be used to accelerate monitoring use cases and >> for implementing custom OOM policies once BPF OOM is landed. >> >> This patchset was separated out from the BPF OOM patchset to simplify >> the logistics and accelerate the landing of the part which is useful >> by itself. No functional changes since BPF OOM v2. > > Hello Roman, > > Thanks for driving the BPF-MM upstreaming work=E2=80=94this is great prog= ress. > > Would it be possible to upstream the bpf_st_ops and cgroups patch as a > standalone series as well? [0] Hello Yafang, this is in my plan for next few weeks: I'll probably try to upstream it altogether with bpfoom, but if there will be any delays with bpfoom, we can split the patchset further. Thanks!