From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [13/18] x86_64: Allow fallback for the stack From: Peter Zijlstra In-Reply-To: <200710041425.43343.ak@suse.de> References: <20071004035935.042951211@sgi.com> <200710041356.51750.ak@suse.de> <1191499692.22357.4.camel@twins> <200710041425.43343.ak@suse.de> Content-Type: text/plain Date: Thu, 04 Oct 2007 14:30:09 +0200 Message-Id: <1191501009.22357.7.camel@twins> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Andi Kleen Cc: Christoph Lameter , akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, travis@sgi.com List-ID: On Thu, 2007-10-04 at 14:25 +0200, Andi Kleen wrote: > > The order-1 allocation failures where GFP_ATOMIC, because SLUB uses !0 > > order for everything. > > slub is wrong then. Can it be fixed? I think mainline slub doesn't do this, just -mm. See DEFAULT_MAX_ORDER in mm/slub.c > > Kernel stack allocation is GFP_KERNEL I presume. > > Of course. > > > Also, I use 4k stacks on all my machines. > > You don't have any x86-64 machines? Ah, my bad, yes I do, but I (wrongly) thought they had that option too. -- 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