linux-kernel - Re: Regression still in next for drop migrate type checks

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Message-ID: <20171106232255.GN28152@atomide.com>
Date:   Mon, 6 Nov 2017 15:22:55 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        linux-kernel@...r.kernel.org
Subject: Re: Regression still in next for drop migrate type checks

* Michal Hocko <mhocko@...nel.org> [171104 08:37]:
> 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.

Yes Linux next now works for me like I replied earlier. Probably already
too late for a Tested-by as it's been applied :)

Tony