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From: Shakeel Butt To: Roman Gushchin Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Johannes Weiner , Michal Hocko , Muchun Song Subject: Re: [PATCH v1 9/9] mm: memcg: put struct task_struct::in_user_fault under CONFIG_MEMCG_V1 Message-ID: <6arslsp6asbcvz6igp5argwhfmtf7xknsnvsdcfgxsjhlbacy4@xj6itmt5bfn7> References: <20240628210317.272856-1-roman.gushchin@linux.dev> <20240628210317.272856-10-roman.gushchin@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240628210317.272856-10-roman.gushchin@linux.dev> X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 62D071C000C X-Stat-Signature: pm8dko9qfm56hifgaagtndjnx471acka X-HE-Tag: 1719622559-178754 X-HE-Meta: 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 o7JRxZk0 ZSFY0gDzhG0T0nWSlq7FXFPBSnibxb9iiUoKcB/+mMfZ9tlnqU/1h90ohnKjI98VuKo2juAKz3XbHt2Bz5NI1aiqNQPAxNVpfzz5CgUgal7WPsgEeIcrvcB+t7h1jwjjeoCNq+bxY8xIY09+RrJcfymIKTpWIHMtpYmgPudf7cBTqOAk= 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 Fri, Jun 28, 2024 at 09:03:17PM GMT, Roman Gushchin wrote: > The struct task_struct's in_user_fault member is not used by the > cgroup v2's memory controller, so it can be put under the > CONFIG_MEMCG_V1 config option. To do so, mem_cgroup_enter_user_fault() > and mem_cgroup_exit_user_fault() are moved under the CONFIG_MEMCG_V1 > option as well. > > Signed-off-by: Roman Gushchin Acked-by: Shakeel Butt