Re: Regression still in next for drop migrate type checks

From: Michal Hocko
Date: Sat Nov 04 2017 - 04:36:00 EST


On Sat 04-11-17 09:25:00, Michal Hocko wrote:
> On Fri 03-11-17 09:00:12, Tony Lindgren wrote:
> > Hi all,
> >
> > Looks like I'm still carrying patch "mm: distinguish CMA and MOVABLE
> > isolation in has_unmovable_pages" from Michal [1] for commit e1d753dff0fa
> > ("mm: drop migrate type checks from has_unmovable_pages") and Linux next
> > has been broken for CMA for few weeks now as noted in the discussion
> > also at [1].
> >
> > What's the status of this regression? How come it's been known
> > broken for two weeks and still not fixed or reverted in next?
> > This is clearly is not suitable for "wider testing" ;)
>
> This is the first time I hear about the regression. Joonsoo has pointed
> out that there might be a problem but he didn't have any specific
> failure in hands. The fix has been posted [1] and Andrew has picked it
> up few days ago. Could you try to apply that patch? It will show up in
> linux-next as soon as Andrew releases mmotm.

Just noticed that Andrew has already released mmotm with the patch
included. I would appreciate if you could just apply this patch on top
of failing kernel to double check and have your Tested-by.

Thanks!
--
Michal Hocko
SUSE Labs