From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx188.postini.com [74.125.245.188]) by kanga.kvack.org (Postfix) with SMTP id 5E1E26B0044 for ; Wed, 5 Dec 2012 14:13:34 -0500 (EST) Message-ID: <50BF9CD8.4020209@fusionio.com> Date: Wed, 5 Dec 2012 20:13:28 +0100 From: Jens Axboe MIME-Version: 1.0 Subject: Re: [patch,v3] bdi: add a user-tunable cpu_list for the bdi flusher threads References: In-Reply-To: Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Jeff Moyer Cc: "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , Zach Brown , Dave Chinner , "jeder@redhat.com" On 2012-12-05 19:43, Jeff Moyer wrote: > In realtime environments, it may be desirable to keep the per-bdi > flusher threads from running on certain cpus. This patch adds a > cpu_list file to /sys/class/bdi/* to enable this. The default is to tie > the flusher threads to the same numa node as the backing device (though > I could be convinced to make it a mask of all cpus to avoid a change in > behaviour). This looks fine to me now. I'll queue it up for 3.8. -- Jens Axboe -- 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