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Date: Sat, 7 Sep 2002 15:47:59 -0300 (BRT)
From: Rik van Riel <riel@conectiva.com.br>
X-X-Sender: riel@imladris.surriel.com
To: Daniel Phillips <phillips@arcor.de>
cc: Andrew Morton <akpm@zip.com.au>, <trond.myklebust@fys.uio.no>,
       Chuck Lever <cel@citi.umich.edu>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: invalidate_inode_pages in 2.5.32/3
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On Sat, 7 Sep 2002, Daniel Phillips wrote:
> On Friday 06 September 2002 00:19, Andrew Morton wrote:
> > I'm not sure what semantics we really want for this.  If we were to
> > "invalidate" a mapped page then it would become anonymous, which
> > makes some sense.
>
> There's no need to leave the page mapped, you can easily walk the rmap list
> and remove the references.

A pagefaulting task can have claimed a reference to the page
and only be waiting on the lock we're currently holding.

regards,

Rik
-- 
Bravely reimplemented by the knights who say "NIH".

http://www.surriel.com/		http://distro.conectiva.com/

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