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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.

J


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