linux-kernel - Re: [PATCH] mm: MADV_WILLNEED implementation for anonymous memory

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Message-Id: <20080130144049.73596898.akpm@linux-foundation.org>
Date:	Wed, 30 Jan 2008 14:40:49 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	hugh@...itas.com, linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	npiggin@...e.de, riel@...hat.com, mztabzr@...inter.de,
	mpm@...enic.com
Subject: Re: [PATCH] mm: MADV_WILLNEED implementation for anonymous memory

On Wed, 30 Jan 2008 18:28:59 +0100
Peter Zijlstra <a.p.zijlstra@...llo.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()?
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