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=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 501BAC47094 for ; Mon, 7 Jun 2021 20:21:07 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 02150601FC for ; Mon, 7 Jun 2021 20:21:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 02150601FC Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 8A90B6B006C; Mon, 7 Jun 2021 16:21:06 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 858FF6B006E; Mon, 7 Jun 2021 16:21:06 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6D3636B0070; Mon, 7 Jun 2021 16:21:06 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0172.hostedemail.com [216.40.44.172]) by kanga.kvack.org (Postfix) with ESMTP id 3C3766B006C for ; Mon, 7 Jun 2021 16:21:06 -0400 (EDT) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id D08E682F252D for ; Mon, 7 Jun 2021 20:21:05 +0000 (UTC) X-FDA: 78228046890.07.F153DF8 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by imf11.hostedemail.com (Postfix) with ESMTP id 94AF32001109 for ; Mon, 7 Jun 2021 20:20:59 +0000 (UTC) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 0E9CF1FD2A; Mon, 7 Jun 2021 20:03:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1623096238; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FrkIY/B3u9V9j7jp5dtI5Sis6+M3bzV1qGVo/FUf4gY=; b=cI5dTWt07tQFVnLRABp9qkLhF3RbFC95PIXMtFhnq3Vqg+yYlME2U0RWkvWjOxdwBoEFkh ICXg1QD7APxdnIw7OR4SWRG4rBp96+tjPpgstu/lMfjTUq+33Y21i6E3vpMYgg2JWWah6+ C8vqUsFoe59XbAv8EU6/oOH3Pj6GyLo= Received: from suse.cz (unknown [10.100.201.86]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id C5EB6A3BDC; Mon, 7 Jun 2021 20:03:57 +0000 (UTC) Date: Mon, 7 Jun 2021 22:03:56 +0200 From: Michal Hocko To: Waiman Long Cc: Shakeel Butt , Aaron Tomlin , Linux MM , Andrew Morton , Vlastimil Babka , LKML Subject: Re: [RFC PATCH] mm/oom_kill: allow oom kill allocating task for non-global case Message-ID: References: <20210607163103.632681-1-atomlin@redhat.com> <6d23ce58-4c4b-116a-6d74-c2cf4947492b@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 94AF32001109 Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=suse.com header.s=susede1 header.b=cI5dTWt0; spf=pass (imf11.hostedemail.com: domain of mhocko@suse.com designates 195.135.220.29 as permitted sender) smtp.mailfrom=mhocko@suse.com; dmarc=pass (policy=quarantine) header.from=suse.com X-Stat-Signature: yp3t5ommnkf7kenb6qmbdykco8uupc68 X-HE-Tag: 1623097259-484532 Content-Transfer-Encoding: quoted-printable 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: On Mon 07-06-21 21:36:47, Michal Hocko wrote: > On Mon 07-06-21 15:18:38, Waiman Long wrote: [...] > > A partial OOM report below: >=20 > Do you happen to have the full report? >=20 > > [ 8221.433608] memory: usage 21280kB, limit 204800kB, failcnt 49116 > > =A0 : > > [ 8227.239769] [ pid ]=A0=A0 uid=A0 tgid total_vm=A0=A0=A0=A0=A0 rss = pgtables_bytes swapents oom_score_adj name > > [ 8227.242495] [1611298]=A0=A0=A0=A0 0 1611298=A0=A0=A0 35869=A0=A0=A0= =A0=A0 635 167936=A0=A0=A0=A0=A0=A0=A0 0=A0=A0=A0=A0=A0=A0=A0=A0 -1000 co= nmon > > [ 8227.242518] [1702509]=A0=A0=A0=A0 0 1702509=A0=A0=A0 35869=A0=A0=A0= =A0=A0 701 176128=A0=A0=A0=A0=A0=A0=A0 0=A0=A0=A0=A0=A0=A0=A0=A0 -1000 co= nmon > > [ 8227.242522] [1703345] 1001050000 1703294=A0=A0 183440=A0=A0=A0=A0=A0= =A0=A0 0 2125824=A0=A0=A0=A0=A0=A0=A0 0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 999= node > > [ 8227.242706] Out of memory and no killable processes... > > [ 8227.242731] node invoked oom-killer: gfp_mask=3D0x6000c0(GFP_KERNE= L), nodemask=3D(null), order=3D0, oom_score_adj=3D999 Btw it is surprising to not see _GFP_ACCOUNT here. --=20 Michal Hocko SUSE Labs