Messages in this thread | | | Date | Fri, 13 Nov 2015 01:01:28 -0800 | Subject | Re: [PATCH] x86/mm: fix regression with huge pages on PAE | From | Dan Williams <> |
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On Thu, Nov 12, 2015 at 11:29 AM, Linus Torvalds <torvalds@linux-foundation.org> wrote: > On Thu, Nov 12, 2015 at 12:00 AM, Ingo Molnar <mingo@kernel.org> wrote: [..] > I have this dim memory of us playing around with just making PAGE_SIZE > (and thus PAGE_MASK) always be signed, but that it caused other > problems. Signed types have downsides too.
FWIW, I ran into this recently with the pfn_t patch. mips and powerpc have PAGE_MASK as a signed int.
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