From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 22 May 2008 21:58:11 +0200 (CEST) From: Thomas Gleixner Subject: Re: 2.6.26: x86/kernel/pci_dma.c: gfp |= __GFP_NORETRY ? In-Reply-To: <20080522084736.GC31727@one.firstfloor.org> Message-ID: References: <20080521113028.GA24632@xs4all.net> <48341A57.1030505@redhat.com> <20080522084736.GC31727@one.firstfloor.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Andi Kleen Cc: Glauber Costa , Miquel van Smoorenburg , linux-kernel@vger.kernel.org, linux-mm@kvack.org, andi-suse@firstfloor.org List-ID: On Thu, 22 May 2008, Andi Kleen wrote: > On Wed, May 21, 2008 at 09:49:27AM -0300, Glauber Costa wrote: > > probably andi has a better idea on why it was added, since it used to > > live in his tree? > > d_a_c() tries a couple of zones, and running the oom killer for each > is inconvenient. Especially for the 16MB DMA zone which is unlikely > to be cleared by the OOM killer anyways because normal user applications > don't put pages in there. There was a real report with some problems > in this area. Can you give some pointers please ? Thanks, tglx -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org