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SubjectRe: [PATCH] x86: Extend test_and_set_bit() test_and_clean_bit() to 64 bits in X86_64
Andi Kleen wrote:
>
> Pretty much all the bit ops and a few other operations currently have
> 2/4GB limits on x86-64. I don't think that's going to change.
>
> In the kernel nothing is ever that big continuously anyways.
>

Uhm, that *is* the problem at hand... specifically the bootmem map on
multi-terabyte systems.

-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.



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