Re: [PATCH] zap_pte_range should not mark non-uptodate pages dirty

From: Andrea Arcangeli
Date: Tue Nov 09 2004 - 09:48:34 EST

On Tue, Nov 09, 2004 at 08:15:30AM -0600, Dave Kleikamp wrote:
> Andrew & Andrea,
> What is the status of this patch? It would be nice to have it in the
> -mm4 kernel.

I think we should add an msync in front of O_DIRECT reads too (msync
won't hurt other users, and it'll provide full coherency), everything
else is ok (the msync can be added as an incremental patch). We applied
it to SUSE (without the msync) to fix your crash in pdflush.
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