Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752959Ab0KASN1 (ORCPT ); Mon, 1 Nov 2010 14:13:27 -0400 Received: from swampdragon.chaosbits.net ([90.184.90.115]:19576 "EHLO swampdragon.chaosbits.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752458Ab0KASNZ (ORCPT ); Mon, 1 Nov 2010 14:13:25 -0400 Date: Mon, 1 Nov 2010 19:02:53 +0100 (CET) From: Jesper Juhl To: Mathieu Desnoyers 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 In-Reply-To: <20101101160030.GA7638@Krystal> Message-ID: References: <20101030214704.GA20005@Krystal> <4CCEB723.2010005@kernel.dk> <20101101130842.GA24605@Krystal> <4CCEC3B9.1060703@kernel.dk> <20101101160030.GA7638@Krystal> User-Agent: Alpine 2.00 (LNX 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2132 Lines: 49 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? If that's the case, who will merge it? and should I resend it with various peoples Acked-by: lines? or? -- Jesper Juhl http://www.chaosbits.net/ Plain text mails only, please http://www.expita.com/nomime.html Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html -- 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/