Received: by 2002:ac0:aa62:0:0:0:0:0 with SMTP id w31-v6csp2502000ima; Mon, 22 Oct 2018 10:47:56 -0700 (PDT) X-Google-Smtp-Source: ACcGV6270f3bcHP0GrXd3NE1y2eTp/AYGHOm+CRTQg5+bWl5zpwfQ2LTLiHc19XsUX3mtxu3VVc1 X-Received: by 2002:a17:902:104:: with SMTP id 4-v6mr45941527plb.189.1540230476420; Mon, 22 Oct 2018 10:47:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1540230476; cv=none; d=google.com; s=arc-20160816; b=vh35ZccWrFF0y1gU7uYDmddMeuJsCrQLcdE0VRlQFHDmFZF5JOwWX1ghsWJ71KrvUH y3q4KKBbVTVc3DXdF1uWW+Hc+4RequaSIv0T1rOFjyTpwR23KRYcxA5yLR/AesREcHzA vEZVwMD0v7uykrEFsy9ItDWnv9yHOTfMf1kTkCkF9YHvZ71RwNYqIaf+gvOou4V8J4pm pp5xYD4qPyzBs20qtJx6wWFdyrJy9DO7aU22TBaEmpeNBzLHoltbOL+O5RekkLN2bNRp Zb/k3MgABMid2u00xX2wvDs5W3uTGmCOh1l6pdle9Ir4KJLVApcpqDjgiWhvWRL+fZEs /HiA== 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; bh=vOCLx8NlKcXY0iZFAsbs6R1eanXMotl+gG5dXdUO5dI=; b=ysP+Hg+wzdqpefCR1LQIJps3tFopm9kGfF6p6WDMhaNsl0k869quDJ12rBZl71raOC xE4fgJUu16jmranprZQpbhvO9d35tfsmc+H6vZc/RZLBx/Dt8WkCxQvc6TPS8IQ+tNPi oeYJYBiBx57nYw+PKb+PE12DIt402r+CHJjXbBdi/5CoCETWQIEmd4fdJyn902+ZeFJ+ oCdShvRGTrnF5X+Wp11D+v7YldelWb0QUnW4gtJjXhV9fdz1VRoPdlkr4bUOgP6zy2XU 4GmZSKpUd8YDa6i35qBrCaAXxprCJVBMFIDyENcQH7jcGPT9p8aDagTTSH7E10mF2U+q joaQ== 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 l13-v6si7011137pgn.443.2018.10.22.10.47.40; Mon, 22 Oct 2018 10:47:56 -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 S1728594AbeJWBVJ (ORCPT + 99 others); Mon, 22 Oct 2018 21:21:09 -0400 Received: from mx2.suse.de ([195.135.220.15]:34378 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728489AbeJWBVI (ORCPT ); Mon, 22 Oct 2018 21:21:08 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id D7593AEE7; Mon, 22 Oct 2018 17:01:49 +0000 (UTC) Date: Mon, 22 Oct 2018 19:01:46 +0200 From: Michal Hocko To: Roman Gushchin , Sasha Levin Cc: Spock , "linux-kernel@vger.kernel.org" , Rik van Riel , Johannes Weiner , Vladimir Davydov , Shakeel Butt , Andrew Morton , Greg Kroah-Hartman , "linux-mm@kvack.org" Subject: Re: Memory management issue in 4.18.15 Message-ID: <20181022170146.GI18839@dhcp22.suse.cz> References: <20181022083322.GE32333@dhcp22.suse.cz> <20181022150815.GA4287@tower.DHCP.thefacebook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181022150815.GA4287@tower.DHCP.thefacebook.com> 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 Mon 22-10-18 15:08:22, Roman Gushchin wrote: [...] > RE backporting: I'm slightly surprised that only one patch of the memcg > reclaim fix series has been backported. Either all or none makes much more > sense to me. Yeah, I think this is AUTOSEL trying to be clever again. I though it has been agreed that MM is quite good at marking patches for stable and so it was not considered by the machinery. Sasha? -- Michal Hocko SUSE Labs