From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [patch 5/5] slub: Large allocs for other slab sizes that do not fit in order 0 In-Reply-To: <20080214040314.388752493@sgi.com> Message-ID: From: "Pekka Enberg" MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Date: Thu, 14 Feb 2008 09:14:25 +0200 (EET) Sender: owner-linux-mm@kvack.org Return-Path: To: clameter@sgi.com Cc: "linux-mm@kvack.org" List-ID: Hi, On 2/14/2008, "Christoph Lameter" wrote: > Expand the scheme used for kmalloc-2048 and kmalloc-4096 to all slab > caches. That means that kmem_cache_free() must now be able to > handle a fallback object that was allocated from the page allocator. This is > touching the fastpath costing us 1/2 % of performance (pretty small > so within variance). Kind of hacky though. Looks good but are there any numbers that indicate this is an overall win? -- 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