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    SubjectRe: [RFC 00/15] x86_64: Optimize percpu accesses
    Eric W. Biederman wrote:
    > I think we can get away with just simply realloc'ing the percpu area
    > on each cpu. No fancy table manipulations required. Just update
    > the base pointer in %gs and in someplace global.

    It's perfectly legitimate to take the address of a percpu variable and
    store it somewhere. We can't move them around.


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