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Subject: [PATCH 0/2] mm/migrate: 5.15 fixes for automatic demotion
To:     linux-kernel@vger.kernel.org
Cc:     Dave Hansen <dave.hansen@linux.intel.com>, ying.huang@intel.com,
        mhocko@suse.com, weixugc@google.com, osalvador@suse.de,
        rientjes@google.com, dan.j.williams@intel.com, david@redhat.com,
        gthelen@google.com, yang.shi@linux.alibaba.com,
        akpm@linux-foundation.org
From:   Dave Hansen <dave.hansen@linux.intel.com>
Date:   Fri, 17 Sep 2021 15:35:04 -0700
Message-Id: <20210917223504.C140445A@davehans-spike.ostc.intel.com>
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List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

This contains two fixes for the "automatic demotion" code which was
merged into 5.15:

 * Fix memory hotplug performance regresssion by watching
   suppressing any real action on irrelevant hotplug events.
 * Ensure CPU hotplug handler is registered when memory hotplug
   is disabled.

Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Wei Xu <weixugc@google.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: Yang Shi <yang.shi@linux.alibaba.com>
Cc: Andrew Morton <akpm@linux-foundation.org>