linux-kernel - Re: [patch 4/6] mm: merge populate and nopage into fault (fixes nonlinear)

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Message-ID: <20070307091132.GB17433@wotan.suse.de>
Date:	Wed, 7 Mar 2007 10:11:32 +0100
From:	Nick Piggin <npiggin@...e.de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Memory Management <linux-mm@...ck.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: [patch 4/6] mm: merge populate and nopage into fault (fixes nonlinear)

On Wed, Mar 07, 2007 at 09:59:44AM +0100, Nick Piggin wrote:
> Apart from a handful of trivial if (pte_file()) cases throughout mm/,
> our maintainance burden basically now amounts to the following patch.
> Even the rmap.c change looks bigger than it is because I split out
> the nonlinear unmapping code from try_to_unmap_file. Not too bad, eh? :)

Oh, there is a bit more nonlinear mmap list manipulation I'd forgotten
about too... makes things a little bit worse, but not too much.
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