introduce N_MEMORY

From: Lai Jiangshan <laijs@cn.fujitsu.com>

This patch is part3 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&...

You can apply this patchset without the other parts.

we need a node which only contains movable memory. This feature is very
important for node hotplug. So we will add a new nodemask
for all memory. N_MEMORY contains movable memory but N_HIGH_MEMORY
doesn't contain it.

We don't remove N_HIGH_MEMORY because it can be used to search which
nodes contains memory that the kernel can use.

The movable node will implemtent in part4. So N_MEMORY is equal to N_HIGH_MEMORY
now.


Lai Jiangshan (14):
  node_states: introduce N_MEMORY
  cpuset: use N_MEMORY instead N_HIGH_MEMORY
  procfs: use N_MEMORY instead N_HIGH_MEMORY
  memcontrol: use N_MEMORY instead N_HIGH_MEMORY
  oom: use N_MEMORY instead N_HIGH_MEMORY
  mm,migrate: use N_MEMORY instead N_HIGH_MEMORY
  mempolicy: use N_MEMORY instead N_HIGH_MEMORY
  hugetlb: use N_MEMORY instead N_HIGH_MEMORY
  vmstat: use N_MEMORY instead N_HIGH_MEMORY
  kthread: use N_MEMORY instead N_HIGH_MEMORY
  init: use N_MEMORY instead N_HIGH_MEMORY
  vmscan: use N_MEMORY instead N_HIGH_MEMORY
  page_alloc: use N_MEMORY instead N_HIGH_MEMORY change the node_states
    initialization
  hotplug: update nodemasks management

 Documentation/cgroups/cpusets.txt |  2 +-
 Documentation/memory-hotplug.txt  |  5 ++-
 arch/x86/mm/init_64.c             |  4 +-
 drivers/base/node.c               |  2 +-
 fs/proc/kcore.c                   |  2 +-
 fs/proc/task_mmu.c                |  4 +-
 include/linux/cpuset.h            |  2 +-
 include/linux/memory.h            |  1 +
 include/linux/nodemask.h          |  1 +
 init/main.c                       |  2 +-
 kernel/cpuset.c                   | 32 +++++++-------
 kernel/kthread.c                  |  2 +-
 mm/hugetlb.c                      | 24 +++++------
 mm/memcontrol.c                   | 18 ++++----
 mm/memory_hotplug.c               | 87 ++++++++++++++++++++++++++++++++-------
 mm/mempolicy.c                    | 12 +++---
 mm/migrate.c                      |  2 +-
 mm/oom_kill.c                     |  2 +-
 mm/page_alloc.c                   | 40 ++++++++++--------
 mm/page_cgroup.c                  |  2 +-
 mm/vmscan.c                       |  4 +-
 mm/vmstat.c                       |  4 +-
 22 files changed, 161 insertions(+), 93 deletions(-)

-- 
1.8.0

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