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SubjectRe: [PATCH] mremap: Avoid TLB flushing anonymous pages that are not in swap cache
On Tue, Jun 05, 2018 at 12:54:27PM -0700, Dave Hansen wrote:
> On 06/05/2018 12:51 PM, Mel Gorman wrote:
> > Using another testcase that simply calls mremap heavily with varying number
> > of threads, it was found that very broadly speaking that TLB shootdowns
> > were reduced by 31% on average throughout the entire test case but your
> > milage will vary.
>
> Looks good to me. Feel free to add my Reviewed-by.

Thanks, I'll send a proper v2 when I hear back from the customer on what
the impact on the real workload is.

--
Mel Gorman
SUSE Labs

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