RE: mm: pages are not freed from lru_add_pvecs after process termination

[Odzioba, Lukasz]

On Tue 07-06-16 13:20:00, Michal Hocko wrote:
> I guess you want something like posix_memalign or start faulting in from
> an aligned address to guarantee you will fault 2MB pages. 

Good catch.

> Besides that I am really suspicious that this will be measurable at all.
> I would just go and spin a patch assuming you are still able to trigger
> OOM with the vanilla kernel. 

Yes, I am still able to trigger OOM, the tests I did are  more like sanity
checks rather than benchmarks. lru_cache_add takes very little time
so it was rather to look for some unexpected side effects.

Thank,
Lukas