In article <4341d52b502c794bbb7d47c7ee0ebcec@shagadelic.org>
thorpej@shagadelic.org wrote:

> Doing what you suggest also requires filing free pages into separate 
> buckets, presumably based on the cache index of their KSEG address.  
> This would allow you to very quickly allocate a page for a specific 
> virtual cache index.

According to uvm_pagealloc_pgfl(), it seems we already have
separate buckets for page coloring. Can we use it for VAC index?
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Izumi Tsutsui