diff --git a/[refs] b/[refs]
index a8203bc29cc5..495142b266f5 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 12870da5c3ace563902babdfa10d824fdbd4ce88
+refs/heads/master: 13c07b0286d340275f2d97adf085cecda37ede37
diff --git a/trunk/include/linux/log2.h b/trunk/include/linux/log2.h
index 25b808631cd9..fd7ff3d91e6a 100644
--- a/trunk/include/linux/log2.h
+++ b/trunk/include/linux/log2.h
@@ -185,7 +185,6 @@ unsigned long __rounddown_pow_of_two(unsigned long n)
 #define rounddown_pow_of_two(n)			\
 (						\
 	__builtin_constant_p(n) ? (		\
-		(n == 1) ? 0 :			\
 		(1UL << ilog2(n))) :		\
 	__rounddown_pow_of_two(n)		\
  )