Re: [tip:x86/mm] percpu: Introduce a read-mostly percpu API

[H. Peter Anvin]

On 10/20/2010 10:33 PM, Eric Dumazet wrote:
> 
> Really, readmostly percpu variables dont need INTERNODE_CACHE_SHIFT, as
> this is read mostly, and per cpu vars ;)
> 
> Just use L1_CACHE_BYTES
> 

L1_CACHE_BYTES is completely pointless, since if there is sharing to
worry about *at all*, it's probably at the L2 or L3 cache levels.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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