From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756280Ab2BWWnj (ORCPT ); Thu, 23 Feb 2012 17:43:39 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:45505 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753833Ab2BWWni (ORCPT ); Thu, 23 Feb 2012 17:43:38 -0500 Date: Thu, 23 Feb 2012 14:43:36 -0800 From: Andrew Morton To: Tejun Heo Cc: axboe@kernel.dk, vgoyal@redhat.com, hughd@google.com, avi@redhat.com, nate@cpanel.net, cl@linux-foundation.org, linux-kernel@vger.kernel.org, dpshah@google.com, ctalbott@google.com, rni@google.com Subject: Re: [PATCHSET] mempool, percpu, blkcg: fix percpu stat allocation and remove stats_lock Message-Id: <20120223144336.58742e1b.akpm@linux-foundation.org> In-Reply-To: <1330036246-21633-1-git-send-email-tj@kernel.org> References: <1330036246-21633-1-git-send-email-tj@kernel.org> X-Mailer: Sylpheed 3.0.2 (GTK+ 2.20.1; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 23 Feb 2012 14:30:38 -0800 Tejun Heo wrote: > This patchset is combination of the patchset "block, mempool, percpu: > implement percpu mempool and fix blkcg percpu alloc deadlock" [1] and > patches to remove blkg->stats_lock. What's changed since last time? I scanned the changelogs to see how earlier issues were addressed and saw no mention of any of it. eg, is the code still deadlockable if the allocator is called with __GFP_WAIT?