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    SubjectRe: [PATCH] nodemask_t x86_64 changes [5/7]
    I'll be surprised if the following line works:

    nodemask_t node_offline_map = nodes_complement(node_online_map);

    1) Doesn't nodes_complement return void, and work in place?
    2) It might set bits above MAX_NUMNODES, if MAX_NUMNODES isn't a word size multiple.

    I am less sure of (2) - the exact details of handling the unused bits of
    a bitmask are still confusing me. But this would be one of the very
    rare situations that I can find that would actually be sensitive to
    possible confusions here - most places don't set bits that aren't
    already set in some mask, or are careful to initialize a mask with just
    set bits in select positions from 0 to MAX_NUMNODES-1.

    I won't rest till it's the best ...
    Programmer, Linux Scalability
    Paul Jackson <> 1.650.933.1373
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