From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx117.postini.com [74.125.245.117]) by kanga.kvack.org (Postfix) with SMTP id A52086B0115 for ; Wed, 9 May 2012 11:10:08 -0400 (EDT) Message-Id: <20120509150950.243797150@linux.com> Date: Wed, 09 May 2012 10:09:50 -0500 From: cl@linux.com From: Christoph Lameter Subject: [Slub cleanup 0/9] Slub: cleanups V2 Sender: owner-linux-mm@kvack.org List-ID: To: Pekka Enberg Cc: linux-mm@kvack.org, David Rientjes V1->V2: - Rebase against 3.4-rc6 A series of cleanup patches that resulted from the rework of the allocation paths to not disable interrupts. The patches remove the node field from kmem_cache_cpu and generally cleans up code in the critical paths. The removal of the node field increases the cache friendliness of the hotpaths and results in a slight performance increase. Hackbench performance before and after using 3.3-rc1 Before After 100 process 20000 152.3 151.2 100 process 20000 160.6 154.8 100 process 20000 161.2 155.5 10 process 20000 15.9 15.5 10 process 20000 15.7 15.5 10 process 20000 15.8 15.5 1 process 20000 1.8 1.6 1 process 20000 1.6 1.6 1 process 20000 1.7 1.6 -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org