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Date: Wed, 30 Jan 2008 14:40:49 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: hugh@veritas.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org,
       npiggin@suse.de, riel@redhat.com, mztabzr@0pointer.de, mpm@selenic.com
Subject: Re: [PATCH] mm: MADV_WILLNEED implementation for anonymous memory
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On Wed, 30 Jan 2008 18:28:59 +0100
Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:

> Implement MADV_WILLNEED for anonymous pages by walking the page tables and
> starting asynchonous swap cache reads for all encountered swap pages.

Why cannot this use (a perhaps suitably-modified) make_pages_present()?