From: Avi Kivity <avi@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Chris Mason <chris.mason@oracle.com>,
Dan Magenheimer <dan.magenheimer@oracle.com>,
Rik van Riel <riel@redhat.com>,
linux-kernel@vger.kernel.org, npiggin@suse.de, akpm@osdl.org,
jeremy@goop.org, xen-devel@lists.xensource.com,
tmem-devel@oss.oracle.com, alan@lxorguk.ukuu.org.uk,
linux-mm@kvack.org, kurt.hackel@oracle.com,
Rusty Russell <rusty@rustcorp.com.au>,
dave.mccracken@oracle.com, Marcelo Tosatti <mtosatti@redhat.com>,
sunil.mushran@oracle.com, Schwidefsky <schwidefsky@de.ibm.com>,
Balbir Singh <balbir@linux.vnet.ibm.com>
Subject: Re: [RFC PATCH 0/4] (Take 2): transcendent memory ("tmem") for Linux
Date: Sun, 26 Jul 2009 18:00:38 +0300 [thread overview]
Message-ID: <4A6C6F96.2050207@redhat.com> (raw)
In-Reply-To: <4A5BA451.5070604@codemonkey.ws>
On 07/14/2009 12:17 AM, Anthony Liguori wrote:
> Chris Mason wrote:
>> On Mon, Jul 13, 2009 at 03:38:45PM -0500, Anthony Liguori wrote:
>> I'll definitely grant that caching with writethough adds more caching,
>> but it does need trim support before it is similar to tmem.
>
> I think trim is somewhat orthogonal but even if you do need it, the
> nice thing about implementing ATA trim support verses a
> paravirtualization is that it works with a wide variety of guests.
>
> From the perspective of the VMM, it seems like a good thing.
trim is also lovely in that images will no longer grow monotonously even
though guest disk usage is constant or is even reduced.
--
error compiling committee.c: too many arguments to function
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next prev parent reply other threads:[~2009-07-26 14:56 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-07 16:17 Dan Magenheimer
2009-07-07 17:28 ` Rik van Riel
2009-07-07 19:53 ` Dan Magenheimer
2009-07-08 22:56 ` Anthony Liguori
2009-07-08 23:31 ` [Xen-devel] " Dan Magenheimer
2009-07-08 23:57 ` Anthony Liguori
2009-07-09 0:17 ` Jeremy Fitzhardinge
2009-07-09 0:27 ` Anthony Liguori
2009-07-09 1:20 ` Rik van Riel
2009-07-09 21:09 ` Dan Magenheimer
2009-07-09 21:27 ` Rik van Riel
2009-07-09 21:48 ` Dan Magenheimer
2009-07-09 21:41 ` Anthony Liguori
2009-07-09 22:34 ` Dan Magenheimer
2009-07-09 22:45 ` Rik van Riel
2009-07-09 23:33 ` Anthony Liguori
2009-07-10 15:23 ` Dan Magenheimer
2009-07-12 9:20 ` Avi Kivity
2009-07-12 16:28 ` Dan Magenheimer
2009-07-12 17:27 ` Avi Kivity
2009-07-12 20:59 ` Dan Magenheimer
2009-07-12 13:28 ` Anthony Liguori
2009-07-12 16:20 ` Dan Magenheimer
2009-07-12 17:16 ` Avi Kivity
2009-07-12 19:34 ` Anthony Liguori
2009-07-13 20:17 ` Chris Mason
2009-07-13 20:38 ` Anthony Liguori
2009-07-13 20:38 ` Anthony Liguori
2009-07-13 21:01 ` Chris Mason
2009-07-13 21:17 ` Anthony Liguori
2009-07-26 15:00 ` Avi Kivity [this message]
2009-07-12 20:39 ` [Xen-devel] " Dan Magenheimer
2009-07-12 20:43 ` Avi Kivity
2009-07-12 21:08 ` Dan Magenheimer
2009-07-13 11:33 ` Avi Kivity
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