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

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Message-ID: <CAM9Jb+hYPUZXVLr2T8x6Njcscw_+W0e2SCmr_B1fLZuOwgLZuw@mail.gmail.com>
Date:   Wed, 1 Apr 2020 16:31:51 +0200
From:   Pankaj Gupta <pankaj.gupta.linux@...il.com>
To:     David Hildenbrand <david@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Alexander Duyck <alexander.duyck@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Baoquan He <bhe@...hat.com>,
        Daniel Jordan <daniel.m.jordan@...cle.com>,
        Kirill Tkhai <ktkhai@...tuozzo.com>,
        Michal Hocko <mhocko@...nel.org>,
        Oscar Salvador <osalvador@...e.de>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        Shile Zhang <shile.zhang@...ux.alibaba.com>,
        Yiqian Wei <yiwei@...hat.com>
Subject: Re: [PATCH v1 0/2] mm/page_alloc: fix stalls/soft lockups with huge VMs

> 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.

Pankaj

>
> --
> Thanks,
>
> David / dhildenb
>
>