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From: Badari Pulavarty <pbadari@us.ibm.com>
To: Andrew Morton <akpm@osdl.org>
Cc: mail@dirk-gerdes.de, axboe@suse.de, lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/4] linux-2.6-block: deactivating pagecache for benchmarks
Date: Fri, 02 Dec 2005 14:33:42 -0800	[thread overview]
Message-ID: <1133562822.21429.105.camel@localhost.localdomain> (raw)
In-Reply-To: <20051202134431.005de2b2.akpm@osdl.org>

On Fri, 2005-12-02 at 13:44 -0800, Andrew Morton wrote:
> Badari Pulavarty <pbadari@us.ibm.com> wrote:
> >
> > Wondering, if this shrinks shared memory pages (since they are backed by
> > tmpfs) ? (which is not what I want).
> 
> It'll reclaim unused pagecache pages.  What effect that has on
> idioticfs^Wtmpfs pages depends on the state of the pages.  If they're
> attached to tmpfs inodes then they won't be reclaimed because they have no
> backing store.  If they're attached to swapcache then they won't be
> reclaimed because they have no superblock.
> 
> So I guess you got lucky.

Wow !! Thank you. Its not that often, I get lucky :)

Thanks,
Badari


  reply	other threads:[~2005-12-02 22:33 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-01 13:17 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 [this message]
2005-12-05  2:13   ` Rob Landley
2005-12-05 16:20     ` Lee Revell
2005-12-05 17:28       ` Rob Landley
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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