From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: [13/18] x86_64: Allow fallback for the stack Date: Thu, 4 Oct 2007 13:56:51 +0200 References: <20071004035935.042951211@sgi.com> <20071004040004.708466159@sgi.com> In-Reply-To: <20071004040004.708466159@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200710041356.51750.ak@suse.de> Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, travis@sgi.com List-ID: On Thursday 04 October 2007 05:59:48 Christoph Lameter wrote: > Peter Zijlstra has recently demonstrated that we can have order 1 allocation > failures under memory pressure with small memory configurations. The > x86_64 stack has a size of 8k and thus requires a order 1 allocation. We've known for ages that it is possible. But it has been always so rare that it was ignored. Is there any evidence this is more common now than it used to be? -Andi -- 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