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From: Shakeel Butt To: Tejun Heo Cc: Andrew Morton , JP Kobryn , Johannes Weiner , Michal Hocko , Roman Gushchin , Muchun Song , Vlastimil Babka , Alexei Starovoitov , Sebastian Andrzej Siewior , Michal =?utf-8?Q?Koutn=C3=BD?= , Harry Yoo , Yosry Ahmed , bpf@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Meta kernel team Subject: Re: [PATCH v2 0/4] cgroup: nmi safe css_rstat_updated Message-ID: References: <20250611221532.2513772-1-shakeel.butt@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Migadu-Flow: FLOW_OUT X-Stat-Signature: 66fjr14p37ntqeb67uo3p191oag53o4u X-Rspamd-Queue-Id: 006D440014 X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1750189137-599390 X-HE-Meta: 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 grrRVbx4 nb5Pbfp7LXvtutsgSfKyyMoIV9WbnahHZN7JAXhU6CqBN1UwfaYZg1HXaXPsjyGAQuhYmVYF40ZnC27mnM8Meo1L/K3W6vQMD1S5ufEAG4ySAFrTcH8LjiZEE/z5aF+Dq31ZVIfm9TS6gX/OFk4WEkJsyUsfbJDCcs/BfvrxmMDFq0TDQgpGnbjwsFSx+y7u5bUYJwGbiKbTTUXDpLiBkzX8nJkypItg17FEl56CUVJy3n3eVrqU37la6YL4AS8Cvch3RoGQmfwFgR/s= 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 Tue, Jun 17, 2025 at 09:06:01AM -1000, Tejun Heo wrote: > On Mon, Jun 16, 2025 at 12:20:28PM -0700, Shakeel Butt wrote: > > On Mon, Jun 16, 2025 at 08:15:17AM -1000, Tejun Heo wrote: > > > Hello, > > > > > > On Wed, Jun 11, 2025 at 03:15:28PM -0700, Shakeel Butt wrote: > > > > Shakeel Butt (4): > > > > cgroup: support to enable nmi-safe css_rstat_updated > > > > cgroup: make css_rstat_updated nmi safe > > > > cgroup: remove per-cpu per-subsystem locks > > > > memcg: cgroup: call css_rstat_updated irrespective of in_nmi() > > > > > > The patches look good to me. How should it be routed? Should I take all > > > four, just the first three or would it better to route all through -mm? > > > > > > > I would like all four to be together and since most of the code is in > > cgroup, cgroup tree makes more sense unless Andrew has different > > opinion. > > Okay, I'll route them through cgroup. The patches don't apply cleanly on > cgroup/for-6.17. Can you please send a refreshed set? Yup, I will do asap.