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=-5.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 1C54DC433E0 for ; Thu, 21 May 2020 20:53:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DD7F520823 for ; Thu, 21 May 2020 20:53:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="TBv65LdW" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730344AbgEUUxY (ORCPT ); Thu, 21 May 2020 16:53:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58844 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729859AbgEUUxX (ORCPT ); Thu, 21 May 2020 16:53:23 -0400 Received: from mail-lj1-x243.google.com (mail-lj1-x243.google.com [IPv6:2a00:1450:4864:20::243]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 26DD1C05BD43 for ; Thu, 21 May 2020 13:53:23 -0700 (PDT) Received: by mail-lj1-x243.google.com with SMTP id k5so9983024lji.11 for ; Thu, 21 May 2020 13:53:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=+fLCJ2GM93cwoKTZdZ4WFD0IYvwQ9ZS8NpXP6kyN8Oc=; b=TBv65LdWvJKhGaaNuo9NEb78jnL9BrQAOtPhzoDfCosM1uH7i74IqGHCHmYGaJPdHz CWCviqP1kSYaAcJp76r0NmD2UjTYe3MeXRUjZ7Gfj0csgNWpJcH5xbzTOLaFtf8uT5+3 /uM6hI+J/Gq/ki4ylpSu3zLN9n1wTEPzv14fLIVPyhMmtfoFCL62Kx4yZeWDBbv/l5w1 K39JR/uyz8X+Y20+CXNOcXbl3HbDDa7fsDpPrOTRV9Q5SbBB3Jb/BXIJzdJ9gGDiZkj+ XTUH4ek9bRuZIljRPeGI/rG4e1ojQtcnYVTE/xIktlVknSWMIJfaLJsufV1okj576bpp EBuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=+fLCJ2GM93cwoKTZdZ4WFD0IYvwQ9ZS8NpXP6kyN8Oc=; b=lM8TquW7kxxPNkZL+sqHREwbOjVeWgIR/M7MLoUzao6XJ+fjA+sb4Pqefy9tQLHv5M uc/YvBJI2CRFY177je9I/ltVTZtVit1c3lOL8P4hW5ur/fjNKMVd35yopc9GdqpqFNXQ PRW99TgGaxSmbkE/AG9Ta9fq0NCmif/mDAub2LsHMgbDu7i0HcJep85Zzg6E6ZZS279T RuMd/OAlbq0rhlCb7+A4PiqmubvjC6xXCYbKdrnOJ/O5M0ynA5ZAXJ0BLJsJ5vct+q2V nLNOlZqXLjMyeLdD4njrilMC0DFmVNPpcfcWgHc/eR4MuyedZPvUI627uLHJWBtlY8RC YQdA== X-Gm-Message-State: AOAM532K3C29kTFO1xl5d5cBahxkLRjp5Q+TVbquoXWpVcFJbj+s3TFh vW/gaN3ixAVTR43yzXZF3NbnTMBvMXemICrIkC3fmg== X-Google-Smtp-Source: ABdhPJyTC3xGMKlc4QlHWxkqxT2nu3F9ZLF51sSqylyADWoJHXSTsMzu0bqdTCQsW0drulE/TbXWWznw77y8lomSnQ4= X-Received: by 2002:a2e:9684:: with SMTP id q4mr3903462lji.431.1590094401526; Thu, 21 May 2020 13:53:21 -0700 (PDT) MIME-Version: 1.0 References: <20200501135806.4eebf0b92f84ab60bba3e1e7@linux-foundation.org> <20200519075213.GF32497@dhcp22.suse.cz> <20200519084535.GG32497@dhcp22.suse.cz> <20200520190906.GA558281@chrisdown.name> <20200521095515.GK6462@dhcp22.suse.cz> <20200521163450.GV6462@dhcp22.suse.cz> In-Reply-To: From: Naresh Kamboju Date: Fri, 22 May 2020 02:23:09 +0530 Message-ID: Subject: Re: mm: mkfs.ext4 invoked oom-killer on i386 - pagecache_get_page To: Yafang Shao , Michal Hocko , Chris Down Cc: Anders Roxell , "Linux F2FS DEV, Mailing List" , linux-ext4 , linux-block , Andrew Morton , open list , Linux-Next Mailing List , linux-mm , Arnd Bergmann , Andreas Dilger , Jaegeuk Kim , "Theodore Ts'o" , Chao Yu , Hugh Dickins , Andrea Arcangeli , Matthew Wilcox , Chao Yu , lkft-triage@lists.linaro.org, Johannes Weiner , Roman Gushchin , Cgroups Content-Type: text/plain; charset="UTF-8" Sender: linux-next-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org My apology ! As per the test results history this problem started happening from Bad : next-20200430 (still reproducible on next-20200519) Good : next-20200429 The git tree / tag used for testing is from linux next-20200430 tag and reverted following three patches and oom-killer problem fixed. Revert "mm, memcg: avoid stale protection values when cgroup is above protection" Revert "mm, memcg: decouple e{low,min} state mutations from protectinn checks" Revert "mm-memcg-decouple-elowmin-state-mutations-from-protection-checks-fix" Ref tree: https://github.com/roxell/linux/commits/my-next-20200430 Build images: https://builds.tuxbuild.com/whyTLI1O8s5HiILwpLTLtg/ Test log: https://lkft.validation.linaro.org/scheduler/job/1444321#L1164 - Naresh