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authorMichal Simek <[email protected]>2012-03-30 12:10:03 +0200
committerMichal Simek <[email protected]>2012-03-30 12:10:03 +0200
commit6a4770e335bd4df0a4577146f76e116ab6e23f40 (patch)
tree305056c20b6ccf3a4fed00e9e32f3a1dd039cd70 /include/linux/bitops.h
parentac64a9caa55bdfd8d24784f25c68cb7919ddabe3 (diff)
parentf52b69f86e27903d6896ed5fa7cd280fec8de532 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into next
Diffstat (limited to 'include/linux/bitops.h')
-rw-r--r--include/linux/bitops.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 94300fe46cce..a3b6b82108b9 100644
--- 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;