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    SubjectRe: [PATCH] Fix left over EFI cache mapping problems

    * Andi Kleen <> wrote:

    > > UEFI specification 2.1 (section 6.2, page 124) that the
    > > NumberOfPages (num_pages) of EFI_MEMORY_DESCRIPTOR
    > > (efi_memory_desc_t) must be "Number of 4KB pages in the memory
    > > region". So we need not worry about potential EFI_PAGE_SHIFT
    > > changes.
    > Then it would be cleaner to just use PAGE_SIZE in the x86 specific EFI
    > code imho.

    (as i suggested in the mail Ying replied to.)

    But ... as long as ia64 uses EFI too i dont mind if it's using
    EFI_PAGE_SHIFT consistently, even in the arch/x86-only files.


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