On Mon, 21 May 2007 10:08:06 -0700 (PDT)
Christoph Lameter <[email protected]> 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
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