From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758256AbZEHOUs (ORCPT ); Fri, 8 May 2009 10:20:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753762AbZEHOUj (ORCPT ); Fri, 8 May 2009 10:20:39 -0400 Received: from smtp3.ultrahosting.com ([74.213.175.254]:40798 "EHLO smtp.ultrahosting.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753416AbZEHOUi (ORCPT ); Fri, 8 May 2009 10:20:38 -0400 Date: Fri, 8 May 2009 10:20:26 -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: <1241787448.28600.26.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> 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: > +#define GFP_PANIC (__GFP_NOFAIL | __GFP_NORETRY | __GFP_NOMEMALLOC) So this means not retrying the allocation a couple of times? Not delving into reserve pools? Such behavior is good for a allocation that causes a panic if it fails?