Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 27 Sep 2002 11:14:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 27 Sep 2002 11:14:08 -0400 Received: from franka.aracnet.com ([216.99.193.44]:18915 "EHLO franka.aracnet.com") by vger.kernel.org with ESMTP id ; Fri, 27 Sep 2002 11:14:00 -0400 Date: Fri, 27 Sep 2002 08:04:31 -0700 From: "Martin J. Bligh" Reply-To: "Martin J. Bligh" To: dipankar@in.ibm.com, William Lee Irwin III , Zwane Mwaikambo , Andrew Morton , lkml , "linux-mm@kvack.org" Subject: Re: 2.5.38-mm3 Message-ID: <502559422.1033113869@[10.10.2.3]> In-Reply-To: <20020927152833.D25021@in.ibm.com> References: <20020927152833.D25021@in.ibm.com> X-Mailer: Mulberry/2.1.2 (Win32) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 967 Lines: 33 >> > What application were you all running ? Kernel compile on NUMA-Q looks like this: 125673 total 82183 default_idle 6134 do_anonymous_page 4431 page_remove_rmap 2345 page_add_rmap 2288 d_lookup 1921 vm_enough_memory 1883 __generic_copy_from_user 1566 file_read_actor 1381 .text.lock.file_table <------------- 1168 find_get_page 1116 get_empty_filp Presumably that's the same thing? Interestingly, if I look back at previous results, I see it's about twice the cost in -mm as it is in mainline, not sure why ... at least against 2.5.37 virgin it was. > Please try running the files_struct_rcu patch where fget() is lockfree > and let me know what you see. Will do ... if you tell me where it is ;-) M. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/