From 631ada5feebb48f5af7b130be93559b313966d39 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Fri, 23 Mar 2012 15:02:04 -0700
Subject: [PATCH] --- yaml --- r: 295175 b: refs/heads/master c:
 03f4a8226c2f9c14361f75848d1e93139bab90c4 h: refs/heads/master i:   295173:
 b3607ef976a212e1db8bc7fec67ab04ff3b03943   295171:
 6ccc90b9070e5a901c6d8b15ea13ff745adb5f0c   295167:
 d89f356f609853bd36b458030db77ae7bf67cc5b v: v3

---
 [refs]                       |  2 +-
 trunk/include/linux/bitops.h | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 9c41126ae983..6d90ea8abaa9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0a329d2d5a1dd75273597538cdc33512ee38855e
+refs/heads/master: 03f4a8226c2f9c14361f75848d1e93139bab90c4
diff --git a/trunk/include/linux/bitops.h b/trunk/include/linux/bitops.h
index 348b1dca477a..a3b6b82108b9 100644
--- a/trunk/include/linux/bitops.h
+++ b/trunk/include/linux/bitops.h
@@ -32,6 +32,17 @@ extern unsigned long __sw_hweight64(__u64 w);
 	     (bit) < (size);					\
 	     (bit) = find_next_bit((addr), (size), (bit) + 1))
 
+#define for_each_clear_bit(bit, addr, size) \
+	for ((bit) = find_first_zero_bit((addr), (size));	\
+	     (bit) < (size);					\
+	     (bit) = find_next_zero_bit((addr), (size), (bit) + 1))
+
+/* same as for_each_clear_bit() but use bit as value to start with */
+#define for_each_clear_bit_from(bit, addr, size) \
+	for ((bit) = find_next_zero_bit((addr), (size), (bit));	\
+	     (bit) < (size);					\
+	     (bit) = find_next_zero_bit((addr), (size), (bit) + 1))
+
 static __inline__ int get_bitmask_order(unsigned int count)
 {
 	int order;