[PATCH] Hugetlb: Remove duplicate i_size check

cleanup
Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au>
Signed-off-by: NAdam Litke <agl@us.ibm.com>
Cc: William Lee Irwin III <wli@holomorphy.com>
Cc: "Seth, Rohit" <rohit.seth@intel.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

mm/hugetlb.c

@@ -350,19 +350,12 @@ static struct page *find_lock_huge_page(struct address_space *mapping,
 {
 	struct page *page;
 	int err;
-	struct inode *inode = mapping->host;
-	unsigned long size;
 
 retry:
 	page = find_lock_page(mapping, idx);
 	if (page)
 		goto out;
 
-	/* Check to make sure the mapping hasn't been truncated */
-	size = i_size_read(inode) >> HPAGE_SHIFT;
-	if (idx >= size)
-		goto out;
-
 	if (hugetlb_get_quota(mapping))
 		goto out;
 	page = alloc_huge_page();