Merge branch 'akpm' (Andrew's patch-bomb)

Merge first batch of patches from Andrew Morton:
 "A few misc things and all the MM queue"

* emailed from Andrew Morton <akpm@linux-foundation.org>: (92 commits)
  memcg: avoid THP split in task migration
  thp: add HPAGE_PMD_* definitions for !CONFIG_TRANSPARENT_HUGEPAGE
  memcg: clean up existing move charge code
  mm/memcontrol.c: remove unnecessary 'break' in mem_cgroup_read()
  mm/memcontrol.c: remove redundant BUG_ON() in mem_cgroup_usage_unregister_event()
  mm/memcontrol.c: s/stealed/stolen/
  memcg: fix performance of mem_cgroup_begin_update_page_stat()
  memcg: remove PCG_FILE_MAPPED
  memcg: use new logic for page stat accounting
  memcg: remove PCG_MOVE_LOCK flag from page_cgroup
  memcg: simplify move_account() check
  memcg: remove EXPORT_SYMBOL(mem_cgroup_update_page_stat)
  memcg: kill dead prev_priority stubs
  memcg: remove PCG_CACHE page_cgroup flag
  memcg: let css_get_next() rely upon rcu_read_lock()
  cgroup: revert ss_id_lock to spinlock
  idr: make idr_get_next() good for rcu_read_lock()
  memcg: remove unnecessary thp check in page stat accounting
  memcg: remove redundant returns
  memcg: enum lru_list lru
  ...

diff --cc fs/exec.c
Simple merge

diff --cc fs/hugetlbfs/inode.c
index 81932fa,2691633..ea25174
--- 1/fs/hugetlbfs/inode.c
--- 2/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@@ -863,11 -898,20 +896,13 @@@ hugetlbfs_fill_super(struct super_bloc
        sb->s_magic = HUGETLBFS_MAGIC;
        sb->s_op = &hugetlbfs_ops;
        sb->s_time_gran = 1;
 -      inode = hugetlbfs_get_root(sb, &config);
 -      if (!inode)
 +      sb->s_root = d_make_root(hugetlbfs_get_root(sb, &config));
 +      if (!sb->s_root)
                goto out_free;
 -
 -      root = d_alloc_root(inode);
 -      if (!root) {
 -              iput(inode);
 -              goto out_free;
 -      }
 -      sb->s_root = root;
        return 0;
  out_free:
+       if (sbinfo->spool)
+               kfree(sbinfo->spool);
        kfree(sbinfo);
        return -ENOMEM;
  }

diff --cc fs/namei.c
Simple merge

diff --cc include/linux/mm.h
Simple merge

diff --cc kernel/cgroup.c
Simple merge

diff --cc kernel/exit.c
Simple merge

diff --cc kernel/fork.c
Simple merge

diff --cc mm/memory.c
Simple merge

diff --cc mm/mmap.c
Simple merge

diff --cc mm/mprotect.c
Simple merge

diff --cc mm/shmem.c
Simple merge

diff --cc mm/swapfile.c
Simple merge