From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by wx-out-0506.google.com with SMTP id h31so288672wxd.11 for ; Thu, 14 Feb 2008 00:55:01 -0800 (PST) Message-ID: <84144f020802140055v62b89602p66aebeb65ab85c35@mail.gmail.com> Date: Thu, 14 Feb 2008 10:55:00 +0200 From: "Pekka Enberg" 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> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080214040245.915842795@sgi.com> <20080214040314.388752493@sgi.com> Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: Mel Gorman , Nick Piggin , Andrew Morton , linux-mm@kvack.org List-ID: [Sorry for the duplicate. My email client started trimming cc's...] On Thu, Feb 14, 2008 at 6:02 AM, 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