On Wed 31-05-17 12:08:45, Mike Rapoport wrote:

On Tue, May 30, 2017 at 12:39:30PM +0200, Michal Hocko wrote:

[...]

quoted

Also do you expect somebody else would use new madvise? What would be the
usecase?

I can think of an application that wants to keep 4K pages to save physical
memory for certain phase, e.g. until these pages are populated with very
few data. After the memory usage increases, the application may wish to
stop preventing khugepged from merging these pages, but it does not have
strong inclination to force use of huge pages.

Well, is actually anybody going to do that?
-- 
Michal Hocko
SUSE Labs

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