linux-kernel - Re: [PATCH v2 3/6] mm/memory_hotplug: Process all zones when removing memory

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Message-ID: <20190830064724.GT28313@dhcp22.suse.cz>
Date:   Fri, 30 Aug 2019 08:47:24 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     David Hildenbrand <david@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Oscar Salvador <osalvador@...e.de>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Wei Yang <richardw.yang@...ux.intel.com>
Subject: Re: [PATCH v2 3/6] mm/memory_hotplug: Process all zones when
 removing memory

On Fri 30-08-19 08:20:32, David Hildenbrand wrote:
[...]
> Regarding shrink_zone_span(), I suspect it was introduced by
>
> d0dc12e86b31 ("mm/memory_hotplug: optimize memory hotplug")

zone shrinking code is much older - 815121d2b5cd5. But I do not think
this is really needed for Fixes tag.

-- 
Michal Hocko
SUSE Labs