From aa53547aedfcf41bbf07e37e77996f73200b13e0 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@openvz.org>
Date: Mon, 26 Nov 2012 18:38:15 +0400
Subject: [PATCH] bitops: Add for_each_bit helper

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
---
 include/bitops.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/bitops.h b/include/bitops.h
index 32d2d65f8..092f67403 100644
--- a/include/bitops.h
+++ b/include/bitops.h
@@ -106,6 +106,11 @@ found_middle:
 	return result + __ffs(tmp);
 }
 
+#define for_each_bit(i, bitmask)				\
+	for (i = find_next_bit(bitmask, sizeof(bitmask), 0);	\
+	     i < sizeof(bitmask);				\
+	     i = find_next_bit(bitmask, sizeof(bitmask), i + 1))
+
 #else /* CONFIG_X86_64 */
 # error x86-32 is not implemented yet
 #endif /* CONFIG_X86_64 */