Re: [PATCH] mm: introduce MADV_CLR_HUGEPAGE

From: Andrea Arcangeli
Date: Wed May 31 2017 - 11:46:32 EST


On Wed, May 31, 2017 at 04:32:17PM +0200, Michal Hocko wrote:
> I would assume such a patch would be backported to stable trees because
> to me it sounds like the current semantic is simply broken and needs
> fixing anyway but it shouldn't be much different from any other bugs.

So the program would need then to check also for the -stable minor
number where the patch was backported to in addition of any enterprise
kernel backport versioning.

> This is far from ideal from the "guarantee POV" of course.

Agree it's far from ideal and lack of guarantee at least for CRIU
means silent random memory corruption.