linux-kernel - [RFC PATCH 0/4] x86/Hyper-V: Add Dynamic memory hot-remove function

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Message-Id: <20191210154611.10958-1-Tianyu.Lan@microsoft.com>
Date:   Tue, 10 Dec 2019 23:46:07 +0800
From:   lantianyu1986@...il.com
To:     kys@...rosoft.com, haiyangz@...rosoft.com, sthemmin@...rosoft.com,
        sashal@...nel.org, akpm@...ux-foundation.org,
        dan.j.williams@...el.com, jgg@...pe.ca,
        dave.hansen@...ux.intel.com, david@...hat.com, namit@...are.com,
        richardw.yang@...ux.intel.com, christophe.leroy@....fr,
        tglx@...utronix.de, Tianyu.Lan@...rosoft.com, osalvador@...e.de,
        michael.h.kelley@...rosoft.com
Cc:     linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, vkuznets@...hat.com, eric.devolder@...cle.com
Subject: [RFC PATCH 0/4] x86/Hyper-V: Add Dynamic memory hot-remove function

From: Tianyu Lan <Tianyu.Lan@...rosoft.com>

Hyper-V provides dynamic memory hot add/remove function.
Memory hot-add has already enabled in Hyper-V balloon driver.
Now add memory hot-remove function.

Tianyu Lan (4):
  mm/resource: Move child to new resource when release mem region.
  mm/hotplug: Expose is_mem_section_removable() and offline_pages()
  Hyper-V/Balloon: Call add_memory() with dm_device.ha_lock.
  x86/Hyper-V: Add memory hot remove function

 drivers/hv/hv_balloon.c | 707 ++++++++++++++++++++++++++++++++++++++++++------
 kernel/resource.c       |  38 ++-
 mm/memory_hotplug.c     |   2 +
 3 files changed, 664 insertions(+), 83 deletions(-)

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2.14.5