From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752532AbaBNNJP (ORCPT ); Fri, 14 Feb 2014 08:09:15 -0500 Received: from www.linutronix.de ([62.245.132.108]:41615 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752480AbaBNNJN (ORCPT ); Fri, 14 Feb 2014 08:09:13 -0500 Date: Fri, 14 Feb 2014 14:09:10 +0100 From: Sebastian Andrzej Siewior To: Nicholas Mc Guire Cc: linux-rt-users@vger.kernel.org, LKML , Steven Rostedt , Peter Zijlstra , Carsten Emde , Thomas Gleixner , Andreas Platschek Subject: Re: [PATCH RT 4/5] allow preemption in mem_cgroup_move_account_page_stat Message-ID: <20140214130910.GE28438@linutronix.de> References: <20140210153933.GE20017@opentech.at> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20140210153933.GE20017@opentech.at> X-Key-Id: 97C4700B X-Key-Fingerprint: 09E2 D1F3 9A3A FF13 C3D3 961C 0688 1C1E 97C4 700B User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Nicholas Mc Guire | 2014-02-10 16:39:33 [+0100]: > >allow preemption in mem_cgroup_move_account_page_stat > >as the call sites of mem_cgroup_move_account_page_stat are under >move_lock_mem_cgroup move_unlock_mem_cgroup (spin_lock_irqsave/ >spin_unlock_irqrestore respectively) the move operations >preempt_disable/enable seem to be purely for migration protection so >a migrate_disable/enable should be fine here. > >patch on top of 3.12.10-rt15 > >Signed-off-by: Nicholas Mc Guire Applied. Sebastian