RE: [PATCH] Add per-process flag to control thp

From: Kirill A. Shutemov
Date: Fri Aug 02 2013 - 16:10:18 EST

Alex Thorlton wrote:
> This patch implements functionality to allow processes to disable the use of
> transparent hugepages through the prctl syscall.
> We've determined that some jobs perform significantly better with thp disabled,
> and we need a way to control thp on a per-process basis, without relying on
> madvise.

What kind of workloads are you talking about?

What's wrong with madvise? Could you elaborate?

And I think thp_disabled should be reset to 0 on exec.

Kirill A. Shutemov
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