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Tue, 25 Aug 2020 15:44:11 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.40.194.8]) by smtp.corp.redhat.com (Postfix) with SMTP id 5AE091944D; Tue, 25 Aug 2020 15:44:02 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Tue, 25 Aug 2020 17:44:11 +0200 (CEST) Date: Tue, 25 Aug 2020 17:44:01 +0200 From: Oleg Nesterov To: Michal Hocko Cc: Suren Baghdasaryan , christian.brauner@ubuntu.com, mingo@kernel.org, peterz@infradead.org, tglx@linutronix.de, esyr@redhat.com, christian@kellner.me, areber@redhat.com, shakeelb@google.com, cyphar@cyphar.com, adobriyan@gmail.com, akpm@linux-foundation.org, ebiederm@xmission.com, gladkov.alexey@gmail.com, walken@google.com, daniel.m.jordan@oracle.com, avagin@gmail.com, bernd.edlinger@hotmail.de, john.johansen@canonical.com, laoar.shao@gmail.com, timmurray@google.com, minchan@kernel.org, kernel-team@android.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, stable@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v2 1/1] mm, oom_adj: don't loop through tasks in __set_oom_adj when not necessary Message-ID: <20200825154400.GC28468@redhat.com> References: <20200824153036.3201505-1-surenb@google.com> <20200825150516.GJ22869@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200825150516.GJ22869@dhcp22.suse.cz> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Rspamd-Queue-Id: 339573D663 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000010, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 08/25, Michal Hocko wrote: > > Btw. now that the flag is in place we can optimize __oom_kill_process as > well. and zap_threads(). Oleg.