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Date:   Thu, 16 Jan 2020 09:34:07 +0100
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     David Hildenbrand <david@redhat.com>
Cc:     stable@vger.kernel.org, linux-mm@kvack.org,
        Oscar Salvador <osalvador@suse.de>,
        Michal Hocko <mhocko@suse.com>,
        "Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>,
        Dan Williams <dan.j.williams@intel.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Laurent Vivier <lvivier@redhat.com>,
        Baoquan He <bhe@redhat.com>
Subject: Re: [PATCH for 4.19-stable 00/25] mm/memory_hotplug: backport of
 pending stable fixes
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On Wed, Jan 15, 2020 at 04:54:59PM +0100, David Hildenbrand wrote:
> > 
> > And why would 4.9 and 4.4 care about them?
> 
> The crashes can be trigger under 4.9 and 4.4. If we decide that we do
> not care, then this series can be dropped.

Do we have users of memory hotplug that are somehow stuck at those old
versions that can not upgrade?  Obviously this didn't work previously
for them, so moving to a modern kernel might be a good reason to get
this new feature :)

thanks,

greg k-h