Re: [GIT PATCH] x86,percpu: fix pageattr handling with remap allocator

Tejun Heo
2009-05-21T01:48:19Z

Tejun Heo wrote:
> On NUMA, both remap and 4k add some level of TLB pressure. remap will
> waste one more PMD TLB entry (dup) while 4k adds a bunch of 4k ones
> (non-dup but what used to be accessed by PMD TLB is now accessed with
> PTE TLB).

Correction: 4k TLBs are dups too.

Thanks.

--
tejun