Messages in this thread | | | Date | Thu, 14 May 2009 07:25:22 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] x86: Extend test_and_set_bit() test_and_clean_bit() to 64 bits in X86_64 |
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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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