Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp5056452imm; Tue, 31 Jul 2018 04:56:10 -0700 (PDT) X-Google-Smtp-Source: AAOMgpeZC5U2E8Q62aazio6d5khGhkNPCkMqC2cD9jjAYv/6g3UriullaW4XNkJFcN7x6odBOk5f X-Received: by 2002:a62:8389:: with SMTP id h131-v6mr21842190pfe.105.1533038170420; Tue, 31 Jul 2018 04:56:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1533038170; cv=none; d=google.com; s=arc-20160816; b=bV/r58h0sErYkfNiR2KrAvWEIRxYapU4IzXa+IDUA6Rh1YW/Sguh8Zlu+jmGpUdzYe AXXiOVPD1vnuekdiTIfa7if6NCpV5g+2SHO/ee8TthCwV9nCJTJ4rQtTHHYpZzPp0akf btGwo2FVqLRdJGAgdt4blBpDbp1sA66CxbMMv/cf0pf3AScO4loIcLJOh49Z4Qowwmue vKmeszNSOKWwIJ2/ijEjPX2RD9S/GxqF4rIVxNqAdjbYsDDKRfpnMJUBXNWC/cgoHrtd jhdIMgouMjpg775y0xo3rrZqfEZeMiRpdOv4zIsQs0AaEtcYUyNjhiRWXy0Zo8d/Pi9D YVVQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=PaplOpJYRNEIrsnahbF9ZZKLO+og5jn1Th+CNoW1nFU=; b=miLlBptVKN5xtiDoJ66aYOUCe+TEG4VM3T49HHRkRBqGDgfZ6Tz7lC/e201qNpHfvO 6W8PxeQZpG7Uwb4TGzCsg4oQhwWiEki0FhyxhjproBY1NeW6uIJzPXjxIq3wsjMfn76V RaoWO65u49MkJrgSH/Vc+YoEFIZDY8PaLJzPYbY1cO3JLHzUkucSZkgk8P8/Iou2mt1E LUnWRdyg40s4e9/LV2ub1nLxjRNjkJ+4zapgpvy6H4kGcraK5XbV/7Pxi0AlpUXnI435 bvq1xpYiXKuEtXqa9PvuOVhRj0ALkcXe3rGWxqo2O30kWZu0hWwE3rRlnNGvUVhjU5uz iJUw== 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n14-v6si12867488pgg.216.2018.07.31.04.55.55; Tue, 31 Jul 2018 04:56:10 -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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732159AbeGaNfG (ORCPT + 99 others); Tue, 31 Jul 2018 09:35:06 -0400 Received: from mx2.suse.de ([195.135.220.15]:50196 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731962AbeGaNfF (ORCPT ); Tue, 31 Jul 2018 09:35:05 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 7D1E0AD94; Tue, 31 Jul 2018 11:55:05 +0000 (UTC) Date: Tue, 31 Jul 2018 13:55:04 +0200 From: Michal Hocko To: Tetsuo Handa Cc: Roman Gushchin , Tejun Heo , Johannes Weiner , Vladimir Davydov , David Rientjes , Andrew Morton , Linus Torvalds , linux-mm , LKML Subject: Re: [PATCH] mm,page_alloc: PF_WQ_WORKER threads must sleep at should_reclaim_retry(). Message-ID: <20180731115504.GJ4557@dhcp22.suse.cz> References: <20180730145425.GE1206094@devbig004.ftw2.facebook.com> <0018ac3b-94ee-5f09-e4e0-df53d2cbc925@i-love.sakura.ne.jp> <20180730154424.GG1206094@devbig004.ftw2.facebook.com> <20180730185110.GB24267@dhcp22.suse.cz> <20180730191005.GC24267@dhcp22.suse.cz> <6f433d59-4a56-b698-e119-682bb8bf6713@i-love.sakura.ne.jp> <20180731050928.GA4557@dhcp22.suse.cz> <20180731111519.GH4557@dhcp22.suse.cz> <08292e78-9a28-12ec-4164-2934cde5be51@i-love.sakura.ne.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <08292e78-9a28-12ec-4164-2934cde5be51@i-love.sakura.ne.jp> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue 31-07-18 20:30:08, Tetsuo Handa wrote: > On 2018/07/31 20:15, Michal Hocko wrote: > >>> I will send the patch to Andrew if the patch is ok. > >> > >> Andrew, can we send the "we used to have a sleeping point in the oom path but this has > >> been removed recently" patch to linux.git ? > > > > This can really wait for the next merge window IMHO. > > > > "mm, oom: cgroup-aware OOM killer" in linux-next.git is reviving that sleeping point. > Current "mm, oom: cgroup-aware OOM killer" will not be sent to linux.git in the next > merge window? I'm confused... This has nothing to do with cgroup-aware OOM killer. -- Michal Hocko SUSE Labs