[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <4A6C6F96.2050207@redhat.com>
Date: Sun, 26 Jul 2009 18:00:38 +0300
From: Avi Kivity <avi@...hat.com>
To: Anthony Liguori <anthony@...emonkey.ws>
CC: Chris Mason <chris.mason@...cle.com>,
Dan Magenheimer <dan.magenheimer@...cle.com>,
Rik van Riel <riel@...hat.com>, linux-kernel@...r.kernel.org,
npiggin@...e.de, akpm@...l.org, jeremy@...p.org,
xen-devel@...ts.xensource.com, tmem-devel@....oracle.com,
alan@...rguk.ukuu.org.uk, linux-mm@...ck.org,
kurt.hackel@...cle.com, Rusty Russell <rusty@...tcorp.com.au>,
dave.mccracken@...cle.com, Marcelo Tosatti <mtosatti@...hat.com>,
sunil.mushran@...cle.com, Schwidefsky <schwidefsky@...ibm.com>,
Balbir Singh <balbir@...ux.vnet.ibm.com>
Subject: Re: [RFC PATCH 0/4] (Take 2): transcendent memory ("tmem") for Linux
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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists