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SubjectRe: [PATCH] x86: EFI_PAGE_SHIFT fix
Ingo Molnar wrote:
> * Huang, Ying <ying.huang@intel.com> wrote:
>
>> Make x86 EFI code works when EFI_PAGE_SHIFT != PAGE_SHIFT. The
>> memrage_efi_to_native() provided in this patch can be used on other
>> EFI platform such as IA64 too.
>>
>> This patch has been tested on Intel x86_64 platform with EFI 64/32
>> firmware.
>
> this is mostly cosmetic, isnt it - because currently nobody expects
> EFI_PAGE_SHIFT and PAGE_SHIFT to ever change on x86, right? I've queued
> up your patch for 2.6.26, ok?
>

There keeps being a lot of talk about a larger x86 pagesize, either
involving future hardware support or via page clustering in the kernel.

Going beyond a 48-bit address space (in long mode) may mean increasing
the page size.

-hpa


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