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    SubjectRe: [RFC 00/15] x86_64: Optimize percpu accesses
    Eric W. Biederman wrote:
    > "H. Peter Anvin" <hpa@zytor.com> writes:
    >
    >> Almost half a megabyte in current allyesconfig, and that is not including
    >> dynamic allocations at all.
    >
    > Ouch! This start to make me sad I removed the arbitrary cap on static
    > percpu memory.
    >
    > Eric

    The biggest growth came from moving all the xxx[NR_CPUS] arrays into
    the per cpu area. So you free up a huge amount of unused memory when
    the NR_CPUS count starts getting into the ozone layer. 4k now, 16k
    real soon now, ??? future?

    Mike


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