rmap: fix the comment for try_to_unmap_anon

Fix the comment for try_to_unmap_anon() with the new arguments.

Signed-off-by: Huang Shijie <[email protected]>
Acked-by: Hugh Dickins <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
diff --git a/mm/rmap.c b/mm/rmap.c
index 710bb4b..265d5299 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1001,8 +1001,7 @@
  * try_to_unmap_anon - unmap or unlock anonymous page using the object-based
  * rmap method
  * @page: the page to unmap/unlock
- * @unlock:  request for unlock rather than unmap [unlikely]
- * @migration:  unmapping for migration - ignored if @unlock
+ * @flags: action and flags
  *
  * Find all the mappings of a page using the mapping pointer and the vma chains
  * contained in the anon_vma struct it points to.