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Date:   Wed, 1 Apr 2020 10:45:29 -0400
From:   Daniel Jordan <daniel.m.jordan@oracle.com>
To:     Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Cc:     David Hildenbrand <david@redhat.com>, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org, Alexander Duyck <alexander.duyck@gmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
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        Pavel Tatashin <pasha.tatashin@soleen.com>,
        Shile Zhang <shile.zhang@linux.alibaba.com>,
        Yiqian Wei <yiwei@redhat.com>
Subject: Re: [PATCH v1 0/2] mm/page_alloc: fix stalls/soft lockups with huge
 VMs
Message-ID: <20200401144529.7zkqq4rfdnitg32h@ca-dmjordan1.us.oracle.com>
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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@linux.alibaba.com
> 
> 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.