linux-kernel - Re: [00/17] Large Blocksize Support V3

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Message-ID: <20070428023901.GT19966@holomorphy.com>
Date:	Fri, 27 Apr 2007 19:39:01 -0700
From:	William Lee Irwin III <wli@...omorphy.com>
To:	Nick Piggin <nickpiggin@...oo.com.au>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Christoph Lameter <clameter@....com>,
	Paul Mackerras <paulus@...ba.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Chinner <dgc@....com>, linux-kernel@...r.kernel.org,
	Mel Gorman <mel@...net.ie>, Jens Axboe <jens.axboe@...cle.com>,
	Badari Pulavarty <pbadari@...il.com>,
	Maxim Levitsky <maximlevitsky@...il.com>
Subject: Re: [00/17] Large Blocksize Support V3

On Sat, Apr 28, 2007 at 12:27:45PM +1000, Nick Piggin wrote:
> I guess 10% isn't a small amount. Though it would be nice to have
> before/after numbers for Linux. And, like Andrew was saying, we could
> just _attempt_ to put contiguous pages in pagecache rather than
> _require_ it. Which is still robust under fragmentation, and benefits
> everyone, not just files with a large pagecache size.

What sort of strategy do you intend to use to speculatively populate
the pagecache with contiguous pages?


-- wli
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