Merge branch 'akpm' (patches from Andrew)

Merge updates from Andrew Morton:

 - a few misc bits

 - ocfs2 updates

 - almost all of MM

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (131 commits)
  memory hotplug: fix comments when adding section
  mm: make alloc_node_mem_map a void call if we don't have CONFIG_FLAT_NODE_MEM_MAP
  mm: simplify nodemask printing
  mm,oom_reaper: remove pointless kthread_run() error check
  mm/page_ext.c: check if page_ext is not prepared
  writeback: remove unused function parameter
  mm: do not rely on preempt_count in print_vma_addr
  mm, sparse: do not swamp log with huge vmemmap allocation failures
  mm/hmm: remove redundant variable align_end
  mm/list_lru.c: mark expected switch fall-through
  mm/shmem.c: mark expected switch fall-through
  mm/page_alloc.c: broken deferred calculation
  mm: don't warn about allocations which stall for too long
  fs: fuse: account fuse_inode slab memory as reclaimable
  mm, page_alloc: fix potential false positive in __zone_watermark_ok
  mm: mlock: remove lru_add_drain_all()
  mm, sysctl: make NUMA stats configurable
  shmem: convert shmem_init_inodecache() to void
  Unify migrate_pages and move_pages access checks
  mm, pagevec: rename pagevec drained field
  ...

1 files changed, 2 insertions, 7 deletions

diff --git a/mm/mlock.c b/mm/mlock.c
index 46af369c13e5..30472d438794 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -289,7 +289,7 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone)
 	struct pagevec pvec_putback;
 	int pgrescued = 0;
 
-	pagevec_init(&pvec_putback, 0);
+	pagevec_init(&pvec_putback);
 
 	/* Phase 1: page isolation */
 	spin_lock_irq(zone_lru_lock(zone));
@@ -448,7 +448,7 @@ void munlock_vma_pages_range(struct vm_area_struct *vma,
 		struct pagevec pvec;
 		struct zone *zone;
 
-		pagevec_init(&pvec, 0);
+		pagevec_init(&pvec);
 		/*
 		 * Although FOLL_DUMP is intended for get_dump_page(),
 		 * it just so happens that its special treatment of the
@@ -670,8 +670,6 @@ static __must_check int do_mlock(unsigned long start, size_t len, vm_flags_t fla
 	if (!can_do_mlock())
 		return -EPERM;
 
-	lru_add_drain_all();	/* flush pagevec */
-
 	len = PAGE_ALIGN(len + (offset_in_page(start)));
 	start &= PAGE_MASK;
 
@@ -798,9 +796,6 @@ SYSCALL_DEFINE1(mlockall, int, flags)
 	if (!can_do_mlock())
 		return -EPERM;
 
-	if (flags & MCL_CURRENT)
-		lru_add_drain_all();	/* flush pagevec */
-
 	lock_limit = rlimit(RLIMIT_MEMLOCK);
 	lock_limit >>= PAGE_SHIFT;