From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755959AbZEHOoc (ORCPT ); Fri, 8 May 2009 10:44:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751481AbZEHOoU (ORCPT ); Fri, 8 May 2009 10:44:20 -0400 Received: from smtp3.ultrahosting.com ([74.213.175.254]:50992 "EHLO smtp.ultrahosting.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751209AbZEHOoU (ORCPT ); Fri, 8 May 2009 10:44:20 -0400 Date: Fri, 8 May 2009 10:43:51 -0400 (EDT) From: Christoph Lameter X-X-Sender: cl@qirst.com To: Pekka Enberg cc: Cyrill Gorcunov , Andrew Morton , mingo@elte.hu, mel@csn.ul.ie, linux-kernel@vger.kernel.org, riel@redhat.com, rientjes@google.com, xemul@openvz.org Subject: Re: [RFC/PATCH v2] mm: Introduce GFP_PANIC for non-failing allocations In-Reply-To: <1241793281.28600.43.camel@penberg-laptop> Message-ID: References: <20090504122740.GH4173@lenovo> <20090504131311.GA23330@elte.hu> <20090504131638.GJ4173@lenovo> <20090504115335.9bc08587.akpm@linux-foundation.org> <20090504192117.GB31176@lenovo> <20090504123453.d130a6cf.akpm@linux-foundation.org> <20090504200925.GD31176@lenovo> <1241787448.28600.26.camel@penberg-laptop> <1241792580.28600.41.camel@penberg-laptop> <1241793281.28600.43.camel@penberg-laptop> 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 On Fri, 8 May 2009, Pekka Enberg wrote: > show_mem(); > } > + if (unlikely(gfp_mask & GFP_PANIC)) (gfp_mask & GFP_PANIC) == GFP_PANIC please. Otherwise any one of the bits alone will cause a panic.