Re: [rfc 10/10] Pageflags: Land grab

[Andi Kleen]

Christoph Lameter <clameter@xxxxxxx> writes:
>
> The page flags situation becomes very tight. The remaining 6 bits must then
> be used as section ids. Via a lookup table we can determine the node ids from
> the section id. So it would work.
>
> However, we would have no page flags left. Any additional page flag will
> reduce the number of available sparsemem sections to half.

I have an upcoming, soon to be posted, project that needs one page
flag on 32bit and two on 64bit. I would request that you leave
at least that many over.

-Andi
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