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SubjectRe: [RFC 00/15] x86_64: Optimize percpu accesses
Eric W. Biederman wrote:
> "H. Peter Anvin" <> 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?


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