Based on physical memory hot-remove functionality, we can implement
node hot-remove. But there are some problems in cpu driver when offlining
a node. This patch-set will fix them.
All these patches are based on the latest -mm tree.
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm
Tang Chen (1):
Do not use cpu_to_node() to find an offlined cpu's node.
Wen Congyang (4):
cpu_hotplug: clear apicid to node when the cpu is hotremoved
memory-hotplug: export the function try_offline_node()
cpu-hotplug, memory-hotplug: try offline the node when hotremoving a
cpu
cpu-hotplug,memory-hotplug: clear cpu_to_node() when offlining the
node
arch/x86/kernel/acpi/boot.c | 4 ++++
drivers/acpi/processor_driver.c | 2 ++
include/linux/memory_hotplug.h | 2 ++
kernel/sched/core.c | 28 +++++++++++++++++++---------
mm/memory_hotplug.c | 33 +++++++++++++++++++++++++++++++--
5 files changed, 58 insertions(+), 11 deletions(-)
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