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Date: Tue, 22 May 2007 09:30:50 +0900 From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> To: Christoph Lameter <clameter@....com> Cc: ak@...e.de, dada1@...mosbay.com, wli@...omorphy.com, npiggin@...e.de, linux-kernel@...r.kernel.org, linux-mm@...ck.org, linux-arch@...r.kernel.org Subject: Re: [rfc] increase struct page size?! On Mon, 21 May 2007 10:08:06 -0700 (PDT) Christoph Lameter <clameter@....com> wrote: > On Sun, 20 May 2007, Andi Kleen wrote: > > > Besides with the scarcity of pageflags it might make sense to do "64 bit only" > > flags at some point. > > There is no scarcity of page flags. There is > > 1. Hoarding by Andrew > > 2. Waste by Sparsemem (section flags no longer necessary with > virtual memmap) For i386(32bit arch), there is not enough space for vmemmap. For 64bit arch, page flags are not exhausted yet. -Kame - 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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