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SubjectRe: [PATCH, RFC 0/9] Introduce huge zero page
> Because this is done the right way (i.e. to allocate an hugepage at
> the first wp fault, and to fallback exclusively if compaction fails)
> it will help much less than the 4k zero pages if the zero pages are

The main benefit is that you have a zero page with THP enabled.
So it lowers the cost of having THP on (for workloads that benefit
from a zero page)

-Andi
--
ak@linux.intel.com -- Speaking for myself only


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