From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, T_DKIMWL_WL_MED,URIBL_BLOCKED,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 47BCFECDFB8 for ; Fri, 20 Jul 2018 22:20:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E936720671 for ; Fri, 20 Jul 2018 22:20:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="kAnm1VGf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E936720671 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729300AbeGTXKP (ORCPT ); Fri, 20 Jul 2018 19:10:15 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:40313 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728297AbeGTXKP (ORCPT ); Fri, 20 Jul 2018 19:10:15 -0400 Received: by mail-pf1-f194.google.com with SMTP id e13-v6so129364pff.7 for ; Fri, 20 Jul 2018 15:20:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:from:to:cc:subject:in-reply-to:message-id:references :user-agent:mime-version; bh=Wrt6sDJAJhpOOl7QbXUyo2gRYC6wTC8TzRDILTARuwg=; b=kAnm1VGf9cuikItQHzQ7D+VIlTWXU8OcLBB56NUWGHIGNXjDp4yu1KQPmUKa+zejgC BNCE3NbKSWJwd4uP4jzd03LbXHbAD0JkNzOV7RGcNsqBj9CjmhC6AVTHChi8wJJAE/g0 b0YCqPd68Up/edU8ydVNNn2FcsElcOO1fvA74NpyqMzN6jR8Q+zxdvsA0CDlBSL2VU3C NDWFThHri3oPNQM5/TSqCTxW4CbHxwvPco0UZLHfAVf3CAVKUx1Xn2wHJabtmRHbQaMF IICyrL+h+TzA83sub2zK4yNUuRsaC0isj5ntfX5NlITsgMhcGc5SI+tU0nN82uzFxIHz xTlQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:in-reply-to:message-id :references:user-agent:mime-version; bh=Wrt6sDJAJhpOOl7QbXUyo2gRYC6wTC8TzRDILTARuwg=; b=PdxkGNlPuEW95SkmG5/csFPonArfesuZrou2xNtfgU4JgytvUOhAkfnqtxxgxdhaV6 HR15ZltXt31vpuI+yWB2uYg4/7Usa4ZB6XrAbUQSiF6E4vVR8EpuBoxVfRTppDDRvtXb yXd4cTyKqWqRENVZLltrtwzdCOSkrI21y2h1gEX2WXuS06bTByeo4NfOQeKcwpwoSMwR r9Twl8F5iZjYPPEI0D3VhV9neKUXm3FlAoFTIvtEff2vmULxYSWDvyTeD5UDUK4RK6ES ErjLSzRKUd6YnKt7egM+ONocFslCJhSSKLFFzXCNzPXk0iOhRApKl0FEuTuEsXhprAj/ Rycg== X-Gm-Message-State: AOUpUlHtX5AnJQ/y6G4giPvp6BLJX69xBKqKVHNY29+BtXMSTYyLkSEo UZGgCO7KoU9r5sCRMos6/RGNJQ== X-Google-Smtp-Source: AAOMgpf435m3PpNNKBjXMhurpSLMtf7SJPTLuhBRrHzqSoswvToyZFxOv4tX6rKKe4d6O90iWvp/GQ== X-Received: by 2002:a62:1a4a:: with SMTP id a71-v6mr3885493pfa.190.1532125200304; Fri, 20 Jul 2018 15:20:00 -0700 (PDT) Received: from [2620:15c:17:3:3a5:23a7:5e32:4598] ([2620:15c:17:3:3a5:23a7:5e32:4598]) by smtp.gmail.com with ESMTPSA id t88-v6sm6159313pfg.10.2018.07.20.15.19.59 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 20 Jul 2018 15:19:59 -0700 (PDT) Date: Fri, 20 Jul 2018 15:19:59 -0700 (PDT) From: David Rientjes X-X-Sender: rientjes@chino.kir.corp.google.com To: Tetsuo Handa cc: Andrew Morton , Michal Hocko , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [patch v3] mm, oom: fix unnecessary killing of additional processes In-Reply-To: <569cf225-f1d3-f81b-5947-cff7bd21381f@i-love.sakura.ne.jp> Message-ID: References: <9ab77cc7-2167-0659-a2ad-9cec3b9440e9@i-love.sakura.ne.jp> <569cf225-f1d3-f81b-5947-cff7bd21381f@i-love.sakura.ne.jp> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 21 Jul 2018, Tetsuo Handa wrote: > Why [PATCH 2/2] in https://marc.info/?l=linux-mm&m=153119509215026&w=4 does not > solve your problem? > Such an invasive patch, and completely rewrites the oom reaper. I now fully understand your frustration with the cgroup aware oom killer being merged into -mm without any roadmap to actually being merged. I agree with you that it should be dropped, not sure why it has not been since there is no active review on the proposed patchset from four months ago, posted twice, that fixes the issues with it, or those patches being merged so the damn thing can actually make progress.