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Date: Tue, 22 May 2007 03:08:23 +0200 From: Nick Piggin <npiggin@...e.de> To: Matt Mackall <mpm@...enic.com> Cc: William Lee Irwin III <wli@...omorphy.com>, Christoph Lameter <clameter@....com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Linux Memory Management List <linux-mm@...ck.org>, linux-arch@...r.kernel.org Subject: Re: [rfc] increase struct page size?! On Mon, May 21, 2007 at 05:43:16PM -0500, Matt Mackall wrote: > On Mon, May 21, 2007 at 11:27:42AM +0200, Nick Piggin wrote: > > > > ... yeah, something like that would bypass > > As long as we're throwing out crazy unpopular ideas, try this one: > > Divide struct page in two such that all the most commonly used > elements are in one piece that's nicely sized and the rest are in > another. Have two parallel arrays containing these pieces and accessor > functions around the unpopular bits. > > Whether a sensible divide between popular and unpopular bits isn't > clear to me. But hey, I said it was crazy. That would be unpopular with pagecache, because that uses pretty well all fields. - 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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