[PATCH 1/3] mm: Don't blindly assign fallback_migrate_page()

[Michal Hocko]

On Fri 17-06-16 18:55:45, Richard Weinberger wrote:
> Am 17.06.2016 um 18:28 schrieb Michal Hocko:
> > But doesn't this disable the page migration and so potentially reduce
> > the compaction success rate for the large pile of filesystems? Without
> > any hint about that?
> 
> The WARN_ON_ONCE() is the hint. ;)

Right. My reply turned a different way than I meant... I meant to say
that there might be different regressions caused by this change without much
hint that a particular warning would be the smoking gun... 
-- 
Michal Hocko
SUSE Labs