From: "Tim Pepper" <lnxninja@us.ibm.com>
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>
Subject: Re: [RFT][PATCH] mm: drop behind
Date: Wed, 11 Jul 2007 15:37:17 -0700 [thread overview]
Message-ID: <eada2a070707111537p20ab429anebd8b1840f5e5b5f@mail.gmail.com> (raw)
In-Reply-To: <1184007008.1913.45.camel@twins>
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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next prev parent reply other threads:[~2007-07-11 22:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-09 18:50 Peter Zijlstra
2007-07-11 22:37 ` Tim Pepper [this message]
2007-07-12 7:24 ` Peter Zijlstra
2007-07-12 19:20 ` Chris Snook
2007-07-13 8:12 ` Peter Zijlstra
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