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Date: Wed, 11 Jul 2007 15:37:17 -0700 From: "Tim Pepper" <lnxninja@...ibm.com> To: "Peter Zijlstra" <peterz@...radead.org> Cc: linux-kernel <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>, "Fengguang Wu" <wfg@...l.ustc.edu.cn>, riel <riel@...hat.com>, "Andrew Morton" <akpm@...ux-foundation.org>, "Rusty Russell" <rusty@...tcorp.com.au> Subject: Re: [RFT][PATCH] mm: drop behind On 7/9/07, Peter Zijlstra <peterz@...radead.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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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