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From: Daniel Phillips <phillips@arcor.de>
To: Rik van Riel <riel@conectiva.com.br>, Andrew Morton <akpm@digeo.com>
Subject: Re: invalidate_inode_pages in 2.5.32/3
Date: Wed, 11 Sep 2002 19:14:58 +0200
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Cc: Chuck Lever <cel@citi.umich.edu>, <trond.myklebust@fys.uio.no>,
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On Wednesday 11 September 2002 18:18, Rik van Riel wrote:
> On Tue, 10 Sep 2002, Andrew Morton wrote:
> 
> > We _could_ walk the pte chain in writeback.  But that would involve
> > visiting every page in the mapping, basically.  That could hurt.
> >
> > But if a page is already dirty, and we're going to write it anyway,
> > it makes tons of sense to run around and clean all the ptes which
> > point at it.
> 
> Walking ptes probably doesn't hurt as much as doing extra
> disk IO, so I guess you're right ;)

Well, but the thing I'm worried about is that we have failed to
implement sys_msync at this point, please reassure me on that, if
possible.

-- 
Daniel
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