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    SubjectRe: [PATCH] x86: Extend test_and_set_bit() test_and_clean_bit() to 64 bits in X86_64
    H. Peter Anvin wrote:
    > Sheng Yang wrote:
    >> This fix 44/45 bit width memory can't boot up issue. The reason is
    >> free_bootmem_node()->mark_bootmem_node()->__free() use test_and_clean_bit() to
    >> clean node_bootmem_map, but for 44bits width address, the idx set bit 31 (43 -
    >> 12), which consider as a nagetive value for bts.
    >> This patch applied to tip/mm.
    > Hi Sheng,
    > Could you try the attached patch instead?
    > -hpa

    Sorry, wrong patch entirely... here is the right one.


    H. Peter Anvin, Intel Open Source Technology Center
    I work for Intel. I don't speak on their behalf.

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