Re: [PATCH 3/5] mm/mremap: use pmd_addr_end to calculate next in move_page_tables()

[Andrew Morton]

On Wed, 29 Jan 2020 20:18:56 +0300 Dmitry Osipenko <digetx@xxxxxxxxx> wrote:

> 27.01.2020 05:59, Andrew Morton ÐÐÑÐÑ:
> > On Sun, 26 Jan 2020 17:47:57 +0300 Dmitry Osipenko <digetx@xxxxxxxxx> wrote:
> ...
> >> Hello Wei,
> >>
> >> Starting with next-20200122, I'm seeing the following in KMSG on NVIDIA
> >> Tegra (ARM32):
> >>
> >>   BUG: Bad rss-counter state mm:(ptrval) type:MM_ANONPAGES val:190
> >>
> >> and eventually kernel hangs.
> >>
> >> Git's bisection points to this patch and reverting it helps. Please fix,
> >> thanks in advance.
> > 
> > Thanks.  I had these tagged for 5.7-rc1 anyway, so I'll drop all five
> > patches.
> > 
> 
> Hello Andrew,
> 
> FYI, I'm still seeing the offending patches in the today's next-20200129.

hm, me too.  Stephen, it's unexpected that 9ff4452912d63f ("mm/mremap:
use pmd_addr_end to calculate next in move_page_tables()") is still in
the -next lineup?  It was dropped from -mm on Jan 26?