From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nick Piggin Subject: Re: [PATCH] [11/19] HWPOISON: Refactor truncate to allow direct truncating of page v2 Date: Wed, 5 Aug 2009 16:44:02 +0200 Message-ID: <20090805144402.GD23992@wotan.suse.de> References: <200908051136.682859934@firstfloor.org> <20090805093638.D3754B15D8@basil.firstfloor.org> <20090805102008.GB17190@wotan.suse.de> <20090805134607.GH11385@basil.fritz.box> <20090805140145.GB28563@wotan.suse.de> <20090805141001.GJ11385@basil.fritz.box> <20090805141642.GB23992@wotan.suse.de> <20090805144112.GM11385@basil.fritz.box> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cantor.suse.de ([195.135.220.2]:40873 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933707AbZHEOoD (ORCPT ); Wed, 5 Aug 2009 10:44:03 -0400 Content-Disposition: inline In-Reply-To: <20090805144112.GM11385@basil.fritz.box> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Andi Kleen Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, fengguang.wu@intel.com, hidehiro.kawai.ez@hitachi.com, linux-arch@vger.kernel.org On Wed, Aug 05, 2009 at 04:41:12PM +0200, Andi Kleen wrote: > > One question I had for the others (Andrew? other mm guys?) what is the > > feelings of merging this feature? Leaving aside exact implementation > > and just considering the high level design and cost/benefit. Last time > > there were some people objecting, so I wonder the situation now? So > > does anybody need more convincing? :) > > The main objection last time was that it was a bit too late in the > release schedule. > > I can't remember anyone really questioning the basic feature itself. I can't exactly remember. Maybe it was in a thread with Alan and/or Arjan ;) I don't think the feature itself was questioned as much as cost/benefit. Maybe I was wrong... I just want to see everyone is happy with the basic idea ;) > > Also I will just cc linux-arch. It would be interesting to know whether > > powerpc, ia64, or s390 or others would be interested to use this feature? > > ia64 is interested (but no code so far) I talked to DaveM and he seems to be > interested for sparc too. I would expect other server architectures to > eventually use it as they get around to writing the necessary architecture > specific glue.