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Date: Wed, 11 Jul 2007 15:37:17 -0700
From: "Tim Pepper" <lnxninja@us.ibm.com>
Subject: Re: [RFT][PATCH] mm: drop behind
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To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>, linux-mm <linux-mm@kvack.org>, Fengguang Wu <wfg@mail.ustc.edu.cn>, riel <riel@redhat.com>, Andrew Morton <akpm@linux-foundation.org>, Rusty Russell <rusty@rustcorp.com.au>
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On 7/9/07, Peter Zijlstra <peterz@infradead.org> wrote:
> Use the read-ahead code to provide hints to page reclaim.
>
> This patch has the potential to solve the streaming-IO trashes my
> desktop problem.
>
> It tries to aggressively reclaim pages that were loaded in a strong
> sequential pattern and have been consumed. Thereby limiting the damage
> to the current resident set.

Interesting...

Would it make sense to tie this into (finally) making
POSIX_FADV_NOREUSE something more than a noop?


Tim

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