From: Rob Landley <rob@landley.net>
To: Lee Revell <rlrevell@joe-job.com>
Cc: Andrew Morton <akpm@osdl.org>,
Dirk Henning Gerdes <mail@dirk-gerdes.de>,
axboe@suse.de, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/4] linux-2.6-block: deactivating pagecache for benchmarks
Date: Mon, 5 Dec 2005 11:28:13 -0600 [thread overview]
Message-ID: <200512051128.13862.rob@landley.net> (raw)
In-Reply-To: <1133799641.21641.14.camel@mindpipe>
On Monday 05 December 2005 10:20, Lee Revell wrote:
> > > Caveats:
> > >
> > > a) Holds inode_lock for exorbitant amounts of time.
> >
> > Voluntary preemption point, maybe?
>
> I thin it's a bad idea, that would just encourage people to use this for
> anything other than debugging. If you care about latency don't discard
> the page cache.
>
> The GNOME people have been asking for this for a while, in order to
> improve startup times, they would like a way to simulate a cold start
> without rebooting.
I was thinking that virtual environments (namely, User Mode Linux) could use
this in conjunction with sys_punch to free up memory back to the host system.
> Lee
Rob
--
Steve Ballmer: Innovation! Inigo Montoya: You keep using that word.
I do not think it means what you think it means.
next prev parent reply other threads:[~2005-12-05 17:29 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-01 13:17 [PATCH 0/4] linux-2.6-block: deactivating pagecache for benchmarks Dirk Henning Gerdes
2005-12-01 13:29 ` Arjan van de Ven
2005-12-01 13:43 ` Dirk Henning Gerdes
2005-12-01 14:36 ` Jens Axboe
2005-12-02 1:25 ` Andrew Morton
2005-12-02 1:34 ` Jeff Garzik
2005-12-02 19:19 ` Badari Pulavarty
2005-12-02 19:17 ` Badari Pulavarty
2005-12-02 21:24 ` Badari Pulavarty
2005-12-02 21:44 ` Andrew Morton
2005-12-02 22:33 ` Badari Pulavarty
2005-12-05 2:13 ` Rob Landley
2005-12-05 16:20 ` Lee Revell
2005-12-05 17:28 ` Rob Landley [this message]
2005-12-05 16:54 ` Badari Pulavarty
[not found] <5f08L-Um-413@gated-at.bofh.it>
2005-12-01 22:48 ` Bodo Eggert
[not found] ` <5f7UE-3FH-13@gated-at.bofh.it>
2005-12-03 2:05 ` Bodo Eggert
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