Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759099AbZJHRwE (ORCPT ); Thu, 8 Oct 2009 13:52:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757702AbZJHRwD (ORCPT ); Thu, 8 Oct 2009 13:52:03 -0400 Received: from smtp2.ultrahosting.com ([74.213.174.253]:48450 "EHLO smtp.ultrahosting.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1758096AbZJHRwC (ORCPT ); Thu, 8 Oct 2009 13:52:02 -0400 Date: Thu, 8 Oct 2009 13:44:21 -0400 (EDT) From: Christoph Lameter X-X-Sender: cl@gentwo.org To: Mathieu Desnoyers cc: Peter Zijlstra , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, Pekka Enberg , Tejun Heo , Mel Gorman , mingo@elte.hu Subject: Re: [this_cpu_xx V5 19/19] SLUB: Experimental new fastpath w/o interrupt disable In-Reply-To: <20091008171750.GA3370@Krystal> Message-ID: References: <20091007025440.GB4664@Krystal> <1254906707.26976.225.camel@twins> <20091007124628.GB27363@Krystal> <20091007150257.GA8508@Krystal> <20091007151940.GA10052@Krystal> <1254988350.26976.256.camel@twins> <20091008171750.GA3370@Krystal> User-Agent: Alpine 1.10 (DEB 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 463 Lines: 18 On Thu, 8 Oct 2009, Mathieu Desnoyers wrote: > Then how do you re-enable preemption in the slow path when you need to > block ? preempt_enable(); before the page allocator call and preempt_disable(); afterwards. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/