2012/10/31 17:15, Wen Congyang wrote: > From: Lai Jiangshan <laijs@xxxxxxxxxxxxxx> > > This patch is part4 of the following patchset: > https://lkml.org/lkml/2012/10/29/319 > > Part1 is here: > https://lkml.org/lkml/2012/10/31/30 > > Part2 is here: > http://marc.info/?l=linux-kernel&m=135166705909544&w=2 > > Part3 is here: > http://marc.info/?l=linux-kernel&m=135167050510527&w=2 > > You must apply part1-3 before applying this patchset. > > we need a node which only contains movable memory. This feature is very > important for node hotplug. If a node has normal/highmem, the memory > may be used by the kernel and can't be offlined. If the node only contains > movable memory, we can offline the memory and the node. > > > Lai Jiangshan (2): > numa: add CONFIG_MOVABLE_NODE for movable-dedicated node > memory_hotplug: allow online/offline memory to result movable node > > drivers/base/node.c | 6 ++++++ > include/linux/nodemask.h | 4 ++++ > mm/Kconfig | 8 ++++++++ > mm/memory_hotplug.c | 16 ++++++++++++++++ > mm/page_alloc.c | 3 +++ > 5 files changed, 37 insertions(+) > Tested-by: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx> Thanks, Yasuaki Ishimatsu -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>