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    SubjectRe: [PATCH] x86: make e820_end return end_of_ram again for 64bit

    * Yinghai Lu <> wrote:

    > even for 64bit system with less 4G, we can use fixmap to handle acpi
    > sit near end of ram

    ok - applied to tip/x86/core - lets see whether Suresh's system now
    works fine with this change.

    > change e820_end to e820_end_of_ram again?
    > or e820_ram_pfn?

    i'd suggest e820_end_of_ram_pfn().

    we now have symmetric behavior on 32-bit and 64-bit, e820_end() returns
    the true end of RAM. (64-bit used to return the last PFN mentioned in
    the e820 map - i.e. ACPI tables and other end of RAM items could have
    been included)


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