Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935543AbXHMXEm (ORCPT ); Mon, 13 Aug 2007 19:04:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757593AbXHMXE0 (ORCPT ); Mon, 13 Aug 2007 19:04:26 -0400 Received: from netops-testserver-4-out.sgi.com ([192.48.171.29]:50253 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753394AbXHMXEY (ORCPT ); Mon, 13 Aug 2007 19:04:24 -0400 Date: Mon, 13 Aug 2007 16:04:22 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Daniel Phillips cc: Daniel Phillips , Peter Zijlstra , Matt Mackall , linux-kernel@vger.kernel.org, linux-mm@kvack.org, David Miller , Andrew Morton , Daniel Phillips Subject: Re: [PATCH 02/10] mm: system wide ALLOC_NO_WATERMARK In-Reply-To: <200708122355.34652.phillips@phunq.net> Message-ID: References: <20070806102922.907530000@chello.nl> <4a5909270708100115v4ad10c4es697d216edf29b07d@mail.gmail.com> <200708122355.34652.phillips@phunq.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 693 Lines: 17 On Sun, 12 Aug 2007, Daniel Phillips wrote: > > Because we get to the code of interest when we have no memory on the > > buddy free lists... > > Ah wait, that statement is incorrect and may well be the crux of your > misunderstanding. Buddy free lists are not exhausted until the entire > memalloc reserve has been depleted, which would indicate a kernel bug > and imminent system death. I added the call to reclaim where the memory is out. - 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/