From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with SMTP id 429696B0099 for ; Tue, 17 Feb 2009 11:28:32 -0500 (EST) Received: from localhost (smtp.ultrahosting.com [127.0.0.1]) by smtp.ultrahosting.com (Postfix) with ESMTP id D485382C2D7 for ; Tue, 17 Feb 2009 11:32:25 -0500 (EST) Received: from smtp.ultrahosting.com ([74.213.175.254]) by localhost (smtp.ultrahosting.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HIaDs2tjs3rk for ; Tue, 17 Feb 2009 11:32:25 -0500 (EST) Received: from qirst.com (unknown [74.213.171.31]) by smtp.ultrahosting.com (Postfix) with ESMTP id 195F282C4D1 for ; Tue, 17 Feb 2009 11:31:54 -0500 (EST) Date: Tue, 17 Feb 2009 11:20:40 -0500 (EST) From: Christoph Lameter Subject: Re: [patch] SLQB slab allocator (try 2) In-Reply-To: <4999BBE6.2080003@cs.helsinki.fi> Message-ID: References: <20090123154653.GA14517@wotan.suse.de> <200902041748.41801.nickpiggin@yahoo.com.au> <20090204152709.GA4799@csn.ul.ie> <200902051459.30064.nickpiggin@yahoo.com.au> <20090216184200.GA31264@csn.ul.ie> <4999BBE6.2080003@cs.helsinki.fi> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: Pekka Enberg Cc: Mel Gorman , Nick Piggin , Nick Piggin , Linux Memory Management List , Linux Kernel Mailing List , Andrew Morton , Lin Ming , "Zhang, Yanmin" List-ID: On Mon, 16 Feb 2009, Pekka Enberg wrote: > Btw, Yanmin, do you have access to the tests Mel is running (especially the > ones where slub-rvrt seems to do worse)? Can you see this kind of regression? > The results make we wonder whether we should avoid reverting all of the page > allocator pass-through and just add a kmalloc cache for 8K allocations. Or not > address the netperf regression at all. Double-hmm. Going to 8k for the limit beyond we pass through to the page allocator may be the simplest and best solution. Someone please work on the page allocator... -- 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