From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sun, 1 Oct 2006 23:31:20 -0700 (PDT) From: David Rientjes Subject: Re: [RFC] another way to speed up fake numa node page_alloc In-Reply-To: <20061001231811.26f91c47.pj@sgi.com> Message-ID: References: <20060925091452.14277.9236.sendpatchset@v0> <20061001231811.26f91c47.pj@sgi.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Paul Jackson Cc: linux-mm@kvack.org, akpm@osdl.org, nickpiggin@yahoo.com.au, ak@suse.de, mbligh@google.com, rohitseth@google.com, menage@google.com, clameter@sgi.com List-ID: On Sun, 1 Oct 2006, Paul Jackson wrote: > Perhaps instead of a single 'nodemask_t fullnodes', I need a small > array of these nodemasks, one per MAX_NR_ZONES. Then I could select > which fullnodes nodemask to check by taking my index into the node_id[] > array, modulo MAX_NR_ZONES. > It would be nice to be able to scale this so that the speed-up works efficiently for numa=fake=256 (after NODES_SHIFT is increased from 6 to 8 on x86_64). David -- 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