From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sun, 17 Sep 2006 05:09:44 -0700 From: Paul Jackson Subject: Re: [PATCH] GFP_THISNODE for the slab allocator Message-Id: <20060917050944.3fba690e.pj@sgi.com> In-Reply-To: <20060916215545.32fba5c7.akpm@osdl.org> References: <20060914220011.2be9100a.akpm@osdl.org> <20060914234926.9b58fd77.pj@sgi.com> <20060915002325.bffe27d1.akpm@osdl.org> <20060916044847.99802d21.pj@sgi.com> <20060916083825.ba88eee8.akpm@osdl.org> <20060916145117.9b44786d.pj@sgi.com> <20060916161031.4b7c2470.akpm@osdl.org> <20060916215545.32fba5c7.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: clameter@sgi.com, linux-mm@kvack.org, rientjes@google.com List-ID: Andrew wrote: > Apart from the fact that > get_page_from_freelist() sucks. And speeding that up will speed up other > workloads. With the exception of this fake NUMA trick, I still haven't seen any evidence that there is a performance issue here. Sure, there is the potential for painful linear searches here, but in actual use, that's not what happens. A linear search is not linear in performance if the search is heavily biased toward succeeding on the first few probes. -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson 1.925.600.0401 -- 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