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b=OP2hkkbH8ofhfta0N/V3Cd6gPLQX7bBJtzWLbXa6/z12V/OKP+hrdGdyL0OVh0Bbl 0iDhqKqww7fOB6i6ybbv+R5ZKx9TJJP6OB8xVO5ip9SWlDfpSCZ6v05dTYyUqFVC4y DoQJPoCn2xAGql4W/aDC/vktQtbm1DGDz0d0ne6yb2t8aHNiafPQYhDUeNL9txbsGV /SsUF9NiZAxMU1PuUiURQe6QrO02J1GurlZf43Aez1IZIfF0gtIWiuhWjHnb1+9Qj4 0OJwVkYDi6MLVY6YM2w68jS9SEtKuOLI45uaml0aH/bovsFIU2bzu69YuAphARxJFR NpwhVu6tJBUpw== Date: Mon, 16 Jun 2025 08:15:17 -1000 From: Tejun Heo To: Shakeel Butt Cc: Andrew Morton , JP Kobryn , Johannes Weiner , Michal Hocko , Roman Gushchin , Muchun Song , Vlastimil Babka , Alexei Starovoitov , Sebastian Andrzej Siewior , Michal =?iso-8859-1?Q?Koutn=FD?= , 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: <20250611221532.2513772-1-shakeel.butt@linux.dev> X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 06525160011 X-Stat-Signature: nxdq4bangfzuo3mfaadwcdcighkjh9a3 X-Rspam-User: X-HE-Tag: 1750097719-72843 X-HE-Meta: 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 HtQZEj88 DvCINkZRTZ8TVVw8cD0LEaFeRr4u/+fHBtvXJtTOKbA2S0EsOBKY7L5PeObOb74M0VI4rAOlHFVkRXm87isbXb+8rY4IVujRvwHYRDGuT+VU17VOFGzu1fqOOpy4zZcUhYw+1tjhLDpsRknQXYKrscnArZB6qyqheWruWKb6X0KrzhfD/lCnignQS98c1UjQpnmi4Ulr+fP/yY239dx0RGbKRpRuv5Sk/OH17q9ajL90f9C/Z3pDUtTrJdY4oVbt9omdfHc7SZEHxujI= 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: 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? Thanks. -- tejun