Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...

[deliverable/linux.git] / include / linux / bitops.h

diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 94300fe46ccedd4ca5333fad2b0bac4a74b704b0..a3b6b82108b9ad239dd1dda1abe6c8e3f585d3b3 100644 (file)
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -27,11 +27,22 @@ extern unsigned long __sw_hweight64(__u64 w);
             (bit) = find_next_bit((addr), (size), (bit) + 1))
 
 /* same as for_each_set_bit() but use bit as value to start with */
-#define for_each_set_bit_cont(bit, addr, size) \
+#define for_each_set_bit_from(bit, addr, size) \
        for ((bit) = find_next_bit((addr), (size), (bit));      \
             (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;