From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <84144f020812130103t11fb4054rb934376a034ec802@mail.gmail.com> Date: Sat, 13 Dec 2008 11:03:51 +0200 From: "Pekka Enberg" Subject: Re: [rfc][patch] SLQB slab allocator In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20081212002518.GH8294@wotan.suse.de> Sender: linux-kernel-owner@vger.kernel.org List-Archive: List-Post: To: Christoph Lameter Cc: Nick Piggin , Linux Kernel Mailing List , Linux Memory Management List , bcrl@kvack.org, list-linux-mm@kvack.org List-ID: On Sat, Dec 13, 2008 at 4:34 AM, Christoph Lameter wrote: > AFAICT this is the special case that matters in terms of the database > test you are trying to improve. The case there is likely the result > of bad cache unfriendly programming. You may actually improve the > benchmark more if the cachelines would be kept hot there in the right > way. Lets not forget the order-0 page thing, which is nice from page allocator fragmentation point of view. But I suppose SLUB can use them as well if we get around fixing the page allocator fastpaths?