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Fri, 08 Jul 2022 02:25:44 -0700 (PDT) Message-ID: Date: Fri, 8 Jul 2022 17:25:31 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: Re: [PATCH v2 0/5] mm, oom: Introduce per numa node oom for CONSTRAINT_{MEMORY_POLICY,CPUSET} Content-Language: en-US To: Michal Hocko Cc: akpm@linux-foundation.org, surenb@google.com, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, viro@zeniv.linux.org.uk, ebiederm@xmission.com, keescook@chromium.org, rostedt@goodmis.org, mingo@redhat.com, peterz@infradead.org, acme@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, namhyung@kernel.org, david@redhat.com, imbrenda@linux.ibm.com, adobriyan@gmail.com, yang.yang29@zte.com.cn, brauner@kernel.org, stephen.s.brennan@oracle.com, zhengqi.arch@bytedance.com, haolee.swjtu@gmail.com, xu.xin16@zte.com.cn, Liam.Howlett@oracle.com, ohoono.kwon@samsung.com, peterx@redhat.com, arnd@arndb.de, shy828301@gmail.com, alex.sierra@amd.com, xianting.tian@linux.alibaba.com, willy@infradead.org, ccross@google.com, vbabka@suse.cz, sujiaxun@uniontech.com, sfr@canb.auug.org.au, vasily.averin@linux.dev, mgorman@suse.de, vvghjk1234@gmail.com, tglx@linutronix.de, luto@kernel.org, bigeasy@linutronix.de, fenghua.yu@intel.com, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-perf-users@vger.kernel.org References: <20220708082129.80115-1-ligang.bdlg@bytedance.com> From: Gang Li In-Reply-To: Content-Type: text/plain; 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dmarc=pass (policy=none) header.from=bytedance.com; spf=pass (imf17.hostedemail.com: domain of ligang.bdlg@bytedance.com designates 209.85.214.169 as permitted sender) smtp.mailfrom=ligang.bdlg@bytedance.com X-Stat-Signature: 7g3kbig97unr7nakxmqjnpgrbh5aakea X-Rspamd-Queue-Id: C6FD34003B Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=bytedance-com.20210112.gappssmtp.com header.s=20210112 header.b=rfzaFQGT; dmarc=pass (policy=none) header.from=bytedance.com; spf=pass (imf17.hostedemail.com: domain of ligang.bdlg@bytedance.com designates 209.85.214.169 as permitted sender) smtp.mailfrom=ligang.bdlg@bytedance.com X-Rspam-User: X-Rspamd-Server: rspam05 X-HE-Tag: 1657272346-749725 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: Oh apologize. I just realized what you mean. I should try a "cpuset cgroup oom killer" selecting victim from a specific cpuset cgroup. On 2022/7/8 16:54, Michal Hocko wrote: > On Fri 08-07-22 16:21:24, Gang Li wrote: > > We have discussed this in your previous posting and an alternative > proposal was to use cpusets to partition NUMA aware workloads and > enhance the oom killer to be cpuset aware instead which should be a much > easier solution.