From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw0-f198.google.com (mail-yw0-f198.google.com [209.85.161.198]) by kanga.kvack.org (Postfix) with ESMTP id 23D1B6B0038 for ; Wed, 17 May 2017 15:24:00 -0400 (EDT) Received: by mail-yw0-f198.google.com with SMTP id f204so630293ywc.15 for ; Wed, 17 May 2017 12:24:00 -0700 (PDT) Received: from mail-yb0-x242.google.com (mail-yb0-x242.google.com. [2607:f8b0:4002:c09::242]) by mx.google.com with ESMTPS id k8si940161ywc.426.2017.05.17.12.23.59 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 17 May 2017 12:23:59 -0700 (PDT) Received: by mail-yb0-x242.google.com with SMTP id n198so765011yba.3 for ; Wed, 17 May 2017 12:23:59 -0700 (PDT) Date: Wed, 17 May 2017 15:23:57 -0400 From: Tejun Heo Subject: Re: [RFC PATCH v2 07/17] cgroup: Prevent kill_css() from being called more than once Message-ID: <20170517192357.GC942@htj.duckdns.org> References: <1494855256-12558-1-git-send-email-longman@redhat.com> <1494855256-12558-8-git-send-email-longman@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1494855256-12558-8-git-send-email-longman@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Waiman Long Cc: Li Zefan , Johannes Weiner , Peter Zijlstra , Ingo Molnar , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, kernel-team@fb.com, pjt@google.com, luto@amacapital.net, efault@gmx.de Hello, On Mon, May 15, 2017 at 09:34:06AM -0400, Waiman Long wrote: > The kill_css() function may be called more than once under the condition > that the css was killed but not physically removed yet followed by the > removal of the cgroup that is hosting the css. This patch prevents any > harmm from being done when that happens. > > Signed-off-by: Waiman Long So, this is a bug fix which isn't really related to this patchset. I'm applying it to cgroup/for-4.12-fixes w/ stable cc'd. Thanks. -- tejun -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org