Re: [PATCH v1 0/2] mm/page_alloc: fix stalls/soft lockups with huge VMs

[Daniel Jordan]

On Wed, Apr 01, 2020 at 04:31:51PM +0200, Pankaj Gupta wrote:
> > On 01.04.20 12:41, David Hildenbrand wrote:
> > > Two fixes for misleading stall messages / soft lockups with huge nodes /
> > > zones during boot without CONFIG_PREEMPT.
> > >
> > > David Hildenbrand (2):
> > >   mm/page_alloc: fix RCU stalls during deferred page initialization
> > >   mm/page_alloc: fix watchdog soft lockups during set_zone_contiguous()
> > >
> > >  mm/page_alloc.c | 2 ++
> > >  1 file changed, 2 insertions(+)
> > >
> >
> > Patch #1 requires "[PATCH v3] mm: fix tick timer stall during deferred
> > page init"
> >
> > https://lkml.kernel.org/r/20200311123848.118638-1-shile.zhang@xxxxxxxxxxxxxxxxx
> 
> Thanks! Took me some time to figure it out.

FYI, I'm planning to post an alternate version of that fix, hopefully today if
all goes well with my testing.