[PATCH] Hugetlb: Rename find_lock_page to find_or_alloc_huge_page

find_lock_huge_page() isn't a great name, since it does extra things not
analagous to find_lock_page().  Rename it find_or_alloc_huge_page() which is
closer to the mark.

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

mm/hugetlb.c

@@ -345,8 +345,8 @@ void unmap_hugepage_range(struct vm_area_struct *vma, unsigned long start,
 	flush_tlb_range(vma, start, end);
 }
 
-static struct page *find_lock_huge_page(struct address_space *mapping,
-			unsigned long idx)
+static struct page *find_or_alloc_huge_page(struct address_space *mapping,
+						unsigned long idx)
 {
 	struct page *page;
 	int err;
@@ -398,7 +398,7 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 	 * Use page lock to guard against racing truncation
 	 * before we get page_table_lock.
 	 */
-	page = find_lock_huge_page(mapping, idx);
+	page = find_or_alloc_huge_page(mapping, idx);
 	if (!page)
 		goto out;