Merge branch 'akpm' (patches from Andrew)

Merge misc updates from Andrew Morton:

 - a few misc things

 - ocfs2 updates

 - most of MM

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (159 commits)
  tools/testing/selftests/proc/proc-self-syscall.c: remove duplicate include
  proc: more robust bulk read test
  proc: test /proc/*/maps, smaps, smaps_rollup, statm
  proc: use seq_puts() everywhere
  proc: read kernel cpu stat pointer once
  proc: remove unused argument in proc_pid_lookup()
  fs/proc/thread_self.c: code cleanup for proc_setup_thread_self()
  fs/proc/self.c: code cleanup for proc_setup_self()
  proc: return exit code 4 for skipped tests
  mm,mremap: bail out earlier in mremap_to under map pressure
  mm/sparse: fix a bad comparison
  mm/memory.c: do_fault: avoid usage of stale vm_area_struct
  writeback: fix inode cgroup switching comment
  mm/huge_memory.c: fix "orig_pud" set but not used
  mm/hotplug: fix an imbalance with DEBUG_PAGEALLOC
  mm/memcontrol.c: fix bad line in comment
  mm/cma.c: cma_declare_contiguous: correct err handling
  mm/page_ext.c: fix an imbalance with kmemleak
  mm/compaction: pass pgdat to too_many_isolated() instead of zone
  mm: remove zone_lru_lock() function, access ->lru_lock directly
  ...

diff --cc MAINTAINERS
Simple merge

diff --cc fs/proc/stat.c
Simple merge

diff --cc fs/proc/task_nommu.c
Simple merge

diff --cc include/linux/sched.h
index 903ef29,36ec6e7..f073bd5
--- 1/include/linux/sched.h
--- 2/include/linux/sched.h
+++ b/include/linux/sched.h
@@@ -1395,6 -1407,8 +1399,7 @@@ extern struct pid *cad_pid
  #define PF_UMH                        0x02000000      /* I'm an Usermodehelper process */
  #define PF_NO_SETAFFINITY     0x04000000      /* Userland is not allowed to meddle with cpus_allowed */
  #define PF_MCE_EARLY          0x08000000      /* Early kill for mce process policy */
 -#define PF_MUTEX_TESTER               0x20000000      /* Thread belongs to the rt mutex tester */
+ #define PF_MEMALLOC_NOCMA     0x10000000      /* All allocation request will have _GFP_MOVABLE cleared */
  #define PF_FREEZER_SKIP               0x40000000      /* Freezer should not count it as freezable */
  #define PF_SUSPEND_TASK               0x80000000      /* This thread called freeze_processes() and should not be frozen */
  

diff --cc init/init_task.c
Simple merge

diff --cc kernel/kthread.c
Simple merge

diff --cc kernel/sched/core.c
Simple merge

diff --cc kernel/sched/fair.c
Simple merge

diff --cc kernel/sysctl.c
Simple merge