Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753119Ab0KASgc (ORCPT ); Mon, 1 Nov 2010 14:36:32 -0400 Received: from tomts20.bellnexxia.net ([209.226.175.74]:62571 "EHLO tomts20-srv.bellnexxia.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752092Ab0KASgb (ORCPT ); Mon, 1 Nov 2010 14:36:31 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvsEAK+hzkxGGOIS/2dsb2JhbAChXnK/NIVFBI9d Date: Mon, 1 Nov 2010 14:26:25 -0400 From: Mathieu Desnoyers To: Jesper Juhl Cc: Jens Axboe , Pekka Enberg , linux-kernel@vger.kernel.org, Andrew Morton , Tom Zanussi , Karim Yaghmour , Paul Mundt , Steven Rostedt Subject: Re: [PATCH] Optimize relay_alloc_page_array() slightly by using vzalloc rather than vmalloc and memset Message-ID: <20101101182625.GA20005@Krystal> References: <20101030214704.GA20005@Krystal> <4CCEB723.2010005@kernel.dk> <20101101130842.GA24605@Krystal> <4CCEC3B9.1060703@kernel.dk> <20101101160030.GA7638@Krystal> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline In-Reply-To: X-Editor: vi X-Info: http://krystal.dyndns.org:8080 X-Operating-System: Linux/2.6.27.31-grsec (i686) X-Uptime: 14:25:11 up 208 days, 4:15, 3 users, load average: 0.13, 0.07, 0.01 User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2334 Lines: 61 * Jesper Juhl (jj@chaosbits.net) wrote: > On Mon, 1 Nov 2010, Mathieu Desnoyers wrote: > > > * Jens Axboe (axboe@kernel.dk) wrote: > > > On 2010-11-01 09:41, Pekka Enberg wrote: > > > > * Jens Axboe (axboe@kernel.dk) wrote: > > > >>> On 2010-10-30 17:47, Mathieu Desnoyers wrote: > > > >>>> BLK_DEV_IO_TRACE seems to still select RELAY. Has it completed its > > > >>>> transition to either Ftrace or Perf ? Depending on Jens, moving blktrace > > > >>>> relay dependency to the Generic Ring Buffer Library might be a good > > > >>>> option to consider. > > > >>> > > > >>> The blktrace user bits is still (by far) the most wide spread way that > > > >>> blktrace is used in the field, and those still rely on relayfs. So no, > > > >>> we can't kill it now. > > > > > > > > On Mon, Nov 1, 2010 at 3:08 PM, Mathieu Desnoyers > > > > wrote: > > > >> What I am proposing is that the Generic Ring Buffer Library could > > > >> replace relayfs without changing any of the interfaces blktrace exposes > > > >> to user-space. Indeed, I would not remove relayfs unless there was a > > > >> replacement. > > > > > > > > We don't in general NAK cleanups because of future features or > > > > removals that may or may not happen. > > > > > > Agree, this is parallel to whether or not we can transition blktrace to > > > using the generic ring buffer library or not. If the current patch > > > proposed makes sense, then it should go in regardless of > > > potential/future plans. > > > > Agreed. Thanks, > > > > As I read the discussion over the last day or so, since I last checked my > mail, there are no longer any objections to the patch. Correct? Yes, Acked-by: Mathieu Desnoyers > If that's the case, who will merge it? and should I resend it with various > peoples Acked-by: lines? or? Yep, this might make the maintainer's work easier, I think. As for who will merge it, good question. Andrew ? Thanks, Mathieu -- Mathieu Desnoyers Operating System Efficiency R&D Consultant EfficiOS Inc. http://www.efficios.com -- 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/