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=-3.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT 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 E646BC43387 for ; Tue, 15 Jan 2019 15:51:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A405620868 for ; Tue, 15 Jan 2019 15:51:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1547567494; bh=u8KFqYb1FTYZawjuxV80UEHTN7q0PDtvQNF6qlK/7AY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=vULwMRyo2vvXeR0exiOp9hrm+MjkokLN+1yQFvy3eKasDONcsooiGK7GOyflZ3U7V DPZIA4UahKpr0xNWh4xwRvn9uNqJ3AAli37pE2XERJzRIm5kJVuR1GLqNket5Xs5LH r2Heyd03Iw2kgQN0G1ikaffyV/h0CmCKXgs/pKDs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730016AbfAOPve (ORCPT ); Tue, 15 Jan 2019 10:51:34 -0500 Received: from mail.kernel.org ([198.145.29.99]:60484 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728908AbfAOPve (ORCPT ); Tue, 15 Jan 2019 10:51:34 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 15DAA20645; Tue, 15 Jan 2019 15:51:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1547567493; bh=u8KFqYb1FTYZawjuxV80UEHTN7q0PDtvQNF6qlK/7AY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=itxaz8Y1aht2hG+7/HUVQMBjs5mTC42Q6kpVZRShr23pIQENU0Y/VPybszbLuyJJt IJ7ywibm6ndtMNE658eQelIceu5fv0gAW+m7NMsZWNdQP/sKyl+3voWAx9e6vjBFRz b4Au/8jITfjO4AJHg0EwOI1oMnFOOd7/qE11/6m8= Date: Tue, 15 Jan 2019 16:51:31 +0100 From: Greg KH To: Michal Hocko Cc: akpm@linux-foundation.org, bo.liu@linux.alibaba.com, david@fromorbit.com, hannes@cmpxchg.org, jack@suse.cz, kirill.shutemov@linux.intel.com, shakeelb@google.com, stable@vger.kernel.org, torvalds@linux-foundation.org, tytso@mit.edu, vdavydov.dev@gmail.com Subject: Re: FAILED: patch "[PATCH] mm, memcg: fix reclaim deadlock with writeback" failed to apply to 4.4-stable tree Message-ID: <20190115155131.GA17724@kroah.com> References: <154747783690179@kroah.com> <20190115153444.GD7283@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190115153444.GD7283@dhcp22.suse.cz> User-Agent: Mutt/1.11.2 (2019-01-07) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Tue, Jan 15, 2019 at 04:34:44PM +0100, Michal Hocko wrote: > I do not see a straightforward backport of this patch without pulling > more changes in. Do we have anybody to actually hit the issue on those > older kernels? While the issue is possible in principle I do not > remember anybody complaining. If no one is complaining, that's fine, you just got this message because you put this in the commit: > > Fixes: c3b94f44fcb0 ("memcg: further prevent OOM with too many dirty pages") Which means any kernel newer than 4.2 (and some older stable releases) has the issue that this patch is trying to fix. If it doesn't need to be backported that far, wonderful! thanks, greg k-h