Merge branch 'akpm' (patches from Andrew Morton)

Merge more patches from Andrew Morton:
 "The rest of MM.  Plus one misc cleanup"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (35 commits)
  mm/Kconfig: add MMU dependency for MIGRATION.
  kernel: replace strict_strto*() with kstrto*()
  mm, thp: count thp_fault_fallback anytime thp fault fails
  thp: consolidate code between handle_mm_fault() and do_huge_pmd_anonymous_page()
  thp: do_huge_pmd_anonymous_page() cleanup
  thp: move maybe_pmd_mkwrite() out of mk_huge_pmd()
  mm: cleanup add_to_page_cache_locked()
  thp: account anon transparent huge pages into NR_ANON_PAGES
  truncate: drop 'oldsize' truncate_pagecache() parameter
  mm: make lru_add_drain_all() selective
  memcg: document cgroup dirty/writeback memory statistics
  memcg: add per cgroup writeback pages accounting
  memcg: check for proper lock held in mem_cgroup_update_page_stat
  memcg: remove MEMCG_NR_FILE_MAPPED
  memcg: reduce function dereference
  memcg: avoid overflow caused by PAGE_ALIGN
  memcg: rename RESOURCE_MAX to RES_COUNTER_MAX
  memcg: correct RESOURCE_MAX to ULLONG_MAX
  mm: memcg: do not trap chargers with full callstack on OOM
  mm: memcg: rework and document OOM waiting and wakeup
  ...

1 files changed, 1 insertions, 3 deletions

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 87e797640828..eda8879171c4 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -541,7 +541,6 @@ EXPORT_SYMBOL_GPL(nfs_setattr);
  */
 static int nfs_vmtruncate(struct inode * inode, loff_t offset)
 {
-	loff_t oldsize;
 	int err;
 
 	err = inode_newsize_ok(inode, offset);
@@ -549,11 +548,10 @@ static int nfs_vmtruncate(struct inode * inode, loff_t offset)
 		goto out;
 
 	spin_lock(&inode->i_lock);
-	oldsize = inode->i_size;
 	i_size_write(inode, offset);
 	spin_unlock(&inode->i_lock);
 
-	truncate_pagecache(inode, oldsize, offset);
+	truncate_pagecache(inode, offset);
 out:
 	return err;
 }