Merge branch 'akpm' (patches from Andrew)

Merge fourth patch-bomb from Andrew Morton:

 - sys_membarier syscall

 - seq_file interface changes

 - a few misc fixups

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  revert "ocfs2/dlm: use list_for_each_entry instead of list_for_each"
  mm/early_ioremap: add explicit #include of asm/early_ioremap.h
  fs/seq_file: convert int seq_vprint/seq_printf/etc... returns to void
  selftests: enhance membarrier syscall test
  selftests: add membarrier syscall test
  sys_membarrier(): system-wide memory barrier (generic, x86)
  MODSIGN: fix a compilation warning in extract-cert

diff --combined MAINTAINERS
index 030d872,e77bc84..7ba7ab7
--- 1/MAINTAINERS
--- 2/MAINTAINERS
+++ b/MAINTAINERS
@@@ -6789,6 -6789,14 +6789,14 @@@ W:    http://www.mellanox.co
  Q:    http://patchwork.ozlabs.org/project/netdev/list/
  F:    drivers/net/ethernet/mellanox/mlxsw/
  
+ MEMBARRIER SUPPORT
+ M:    Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ M:    "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
+ L:    linux-kernel@vger.kernel.org
+ S:    Supported
+ F:    kernel/membarrier.c
+ F:    include/uapi/linux/membarrier.h
+ 
  MEMORY MANAGEMENT
  L:    linux-mm@kvack.org
  W:    http://www.linux-mm.org
@@@ -7396,7 -7404,6 +7404,7 @@@ NTB DRIVER COR
  M:    Jon Mason <jdmason@kudzu.us>
  M:    Dave Jiang <dave.jiang@intel.com>
  M:    Allen Hubbe <Allen.Hubbe@emc.com>
 +L:    linux-ntb@googlegroups.com
  S:    Supported
  W:    https://github.com/jonmason/ntb/wiki
  T:    git git://github.com/jonmason/ntb.git
@@@ -7408,7 -7415,6 +7416,7 @@@ F:      include/linux/ntb_transport.
  NTB INTEL DRIVER
  M:    Jon Mason <jdmason@kudzu.us>
  M:    Dave Jiang <dave.jiang@intel.com>
 +L:    linux-ntb@googlegroups.com
  S:    Supported
  W:    https://github.com/jonmason/ntb/wiki
  T:    git git://github.com/jonmason/ntb.git