Received: by 10.213.65.68 with SMTP id h4csp1194280imn; Sat, 7 Apr 2018 20:51:39 -0700 (PDT) X-Google-Smtp-Source: AIpwx4+E79Tlmdcu7YQdgHh+7mIJ10bxFrHml6ApqP6jo1p0FRqV8CWRjydb/RZWfECKnDVunMIQ X-Received: by 2002:a17:902:8d82:: with SMTP id v2-v6mr33901527plo.101.1523159499950; Sat, 07 Apr 2018 20:51:39 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1523159499; cv=none; d=google.com; s=arc-20160816; b=Dk2+saSp1sNgYPGBagG8Mn0SPOpicPI2oFTPiqg3ct1C5EReraf0ZYNVdHDWz5ibFD GKkR5NWGtYBo/aCBbK9twDiIX3dVZCnClk+5PFE37/n5Cz8Axc4RqfOokHqjW5FNpKiW vh7nEw4s9ArwOGnTlsmIyfLFCJyNpAaVQ9Lrccx8VM1lDDJ6UwBvzkVyQ7hoh2p5trxI JNS1CYZsHXDN382DEdrEFKgMEyguMdmzUEQ9chsQaPXtNPGXBMDdUxheGVPYVzPn92Wx DG8gBvfUO2QpdCpi8JdhJCFFXoFlLE6KifN3sLY9pRAwa9BYB2ZF4dKqyOi3/wKMzTHt jPrg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date :dmarc-filter:arc-authentication-results; bh=Phy9Ch0zu+2428FMrzuxb6JHjvNMpWCKYMOHXrUWTwo=; b=xJTuF9gMT2hnzzQt3X6Fjr0T2ePMetPrvoAWm2yOyyume23Y+5RITz16OuGec+fcTD fYM4ty+e2J//Czey/1H0tiua95i0FmNiAOfExEJntXgezuC3NQY23mZAF6U3HmtvD49U Rk/uNrikJcsPxqLatw8VHlfxXiAYGz1zweBpSDMOzlZ3RY7khqdbPnTCqiZQn9G+mWo5 58WfJM+XW4FhahvFExz7opy2+khPgZrmUNpdff9l3Ip3Ft3b5g69gXj6kaunyUOObp+e 5EkGa3PSD6e7z3zti37AGP8MI14N/MPaMISIz/QsgS3mhaFTSx7Ob6yDBFxRY1gilVSA w1zA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id t6si9001741pgo.630.2018.04.07.20.50.59; Sat, 07 Apr 2018 20:51:39 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752391AbeDHDsQ (ORCPT + 99 others); Sat, 7 Apr 2018 23:48:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:33114 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752012AbeDHDsP (ORCPT ); Sat, 7 Apr 2018 23:48:15 -0400 Received: from gandalf.local.home (cpe-66-24-56-78.stny.res.rr.com [66.24.56.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4B96621773; Sun, 8 Apr 2018 03:48:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4B96621773 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=rostedt@goodmis.org Date: Sat, 7 Apr 2018 23:48:12 -0400 From: Steven Rostedt To: Zhaoyang Huang Cc: Ingo Molnar , linux-kernel@vger.kernel.org, kernel-patch-test@lists.linaro.org Subject: Re: [PATCH v1] ringbuffer: Don't choose the process with adj equal OOM_SCORE_ADJ_MIN Message-ID: <20180407234812.2bf2b24b@gandalf.local.home> In-Reply-To: <1523153783-20579-1-git-send-email-zhaoyang.huang@spreadtrum.com> References: <1523153783-20579-1-git-send-email-zhaoyang.huang@spreadtrum.com> X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.31; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 8 Apr 2018 10:16:23 +0800 Zhaoyang Huang wrote: > Don't choose the process with adj == OOM_SCORE_ADJ_MIN which > over-allocating pages for ring buffers. Why? -- Steve