Re: [PATCH] mm, vmacache: Add kconfig VMACACHE_SHIFT

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On Thu, 2015-01-22 at 14:29 +0800, WANG Chao wrote:
> Add a new kconfig option VMACACHE_SHIFT (as a power of 2) to specify the
> number of slots vma cache has for each thread. Range is chosen 0-4 (1-16
> slots) to consider both overhead and performance penalty. Default is 2
> (4 slots) as it originally is, which provides good enough balance.
> 

Nack. I don't feel comfortable making scalability features of core code
configurable.

Thanks,
Davidlohr



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