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

From: Daniel Jordan
Date: Wed Apr 01 2020 - 12:15:46 EST


On Wed, Apr 01, 2020 at 05:54:40PM +0200, David Hildenbrand wrote:
> On 01.04.20 16:45, Daniel Jordan wrote:
> > 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.
> >
>
> Cool, please CC me :)

Sure, in fact you already were! :)