linux-ext4 - Re: [PATCH] xen: cleancache shim to Xen Transcendent Memory

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Message-ID: <1302904935.22658.9.camel@localhost.localdomain>
Date:	Fri, 15 Apr 2011 23:02:15 +0100
From:	Ian Campbell <Ian.Campbell@...rix.com>
To:	Dan Magenheimer <dan.magenheimer@...cle.com>
CC:	<chris.mason@...cle.com>, <viro@...iv.linux.org.uk>,
	<akpm@...ux-foundation.org>, <adilger.kernel@...ger.ca>,
	<tytso@....edu>, <mfasheh@...e.com>, <jlbec@...lplan.org>,
	<matthew@....cx>, <linux-btrfs@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-fsdevel@...r.kernel.org>,
	<linux-ext4@...r.kernel.org>, <ocfs2-devel@....oracle.com>,
	<linux-mm@...ck.org>, <hch@...radead.org>, <ngupta@...are.org>,
	<jeremy@...p.org>, <JBeulich@...ell.com>, <kurt.hackel@...cle.com>,
	<npiggin@...nel.dk>, <dave.mccracken@...cle.com>,
	<riel@...hat.com>, <avi@...hat.com>, <konrad.wilk@...cle.com>,
	<mel@....ul.ie>, <yinghan@...gle.com>, <gthelen@...gle.com>,
	<torvalds@...ux-foundation.org>
Subject: Re: [PATCH] xen: cleancache shim to Xen Transcendent Memory

On Thu, 2011-04-14 at 14:20 -0700, Dan Magenheimer wrote:
> [PATCH] xen: cleancache shim to Xen Transcendent Memory
> 
> This patch provides a shim between the kernel-internal cleancache
> API (see Documentation/mm/cleancache.txt) and the Xen Transcendent
> Memory ABI (see http://oss.oracle.com/projects/tmem).

There's no need to build this into a kernel which doesn't have
cleancache (or one of the other frontends), is there? I think there
should be a Kconfig option (even if its not a user visible one) with the
appropriate depends/selects.

Ian.

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