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[209.85.220.41]) by mx.google.com with SMTPS id n12sor23922288qtc.52.2019.03.28.14.37.26 for (Google Transport Security); Thu, 28 Mar 2019 14:37:26 -0700 (PDT) Received-SPF: pass (google.com: domain of vincent.mc.li@gmail.com designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=hmBxWI3H; spf=pass (google.com: domain of vincent.mc.li@gmail.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=vincent.mc.li@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=CPHjTT59r+JSXq9n3OTZue3IyFe3usw1waSqlvsvRhg=; b=hmBxWI3HKpgNaub2CKSdQgSTKMwXSPQh7bf825AAYhuWDTkQ6H7VWd0tR9hZdEtWMQ IxozKMjhr7wR4BM0Cat8i7IU0R4UZQmHqhR6DlpD8Nhjk77wagQBP4fip9gYN9U6pdjn OoNpaTgbXQzwpMaaizh189kprT4uprNC8goD2dxOAxUD/MuCEun8gbkYvMtFHMqmfO5U sKTblewUblt2Rq5ks4QBDMkmomDtG+XQhmX3fu+xE4aMxh4+7jedJ+Tj1JvgaoNQXlQN khyBoSye6DnfllS0Fihpk4M5qoWZ7gcOPULAjAz2pzuy+aNSRD1eUhl6j9Nlm7P2OHa0 9NDw== X-Google-Smtp-Source: APXvYqyl1nQW/lNiUCmJeeyeJvHDfKxN4Vh0fe/Te1Kf02gVIhZLE5Wn7MWAJXt0kq8w14D5FFLMZNoZnK/a4aV766w= X-Received: by 2002:ac8:30f9:: with SMTP id w54mr38465895qta.336.1553809046346; Thu, 28 Mar 2019 14:37:26 -0700 (PDT) MIME-Version: 1.0 From: Vincent Li Date: Thu, 28 Mar 2019 14:37:15 -0700 Message-ID: Subject: sysrq key f to trigger OOM manually To: Linux-MM Content-Type: text/plain; charset="UTF-8" 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: Hi, not sure if this is the right place, I tried to use echo f > /proc/sysrq-trigger to manually trigger OOM, the OOM killer is triggered to kill a process, does it make sense to trigger OOM killer manually but not actually kill the process, this could be useful to diagnosis problem without actually killing a process in production box. Regards, Vincent