Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753770Ab0HYNfS (ORCPT ); Wed, 25 Aug 2010 09:35:18 -0400 Received: from casper.infradead.org ([85.118.1.10]:48989 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753117Ab0HYNfP convert rfc822-to-8bit (ORCPT ); Wed, 25 Aug 2010 09:35:15 -0400 Subject: Re: [patch 1/5] mm: add nofail variants of kmalloc kcalloc and kzalloc From: Peter Zijlstra To: Theodore Tso Cc: David Rientjes , Jens Axboe , Andrew Morton , Neil Brown , Alasdair G Kergon , Chris Mason , Steven Whitehouse , Jan Kara , Frederic Weisbecker , "linux-raid@vger.kernel.org" , "linux-btrfs@vger.kernel.org" , "cluster-devel@redhat.com" , "linux-ext4@vger.kernel.org" , "reiserfs-devel@vger.kernel.org" , "linux-kernel@vger.kernel.org" In-Reply-To: References: <1282656558.2605.2742.camel@laptop> <4C73CA24.3060707@fusionio.com> <20100825112433.GB4453@thunk.org> <1282736132.2605.3563.camel@laptop> <20100825115709.GD4453@thunk.org> <1282740516.2605.3644.camel@laptop> <1282740778.2605.3652.camel@laptop> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Wed, 25 Aug 2010 15:34:50 +0200 Message-ID: <1282743290.2605.3704.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 691 Lines: 15 On Wed, 2010-08-25 at 09:20 -0400, Theodore Tso wrote: > Well, if all of these users start having their own private pools of > emergency memory, I'm not sure that's such a great idea either. That's a secondary problem, and could be reduced by something like the memory reservation system I provided in the swap-over-nfs patches. Of course, when all these users can actually happen concurrently there's really nothing much you can do about it. -- 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/