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authorJonathan Corbet <corbet@lwn.net>2016-12-27 12:53:44 -0700
committerJonathan Corbet <corbet@lwn.net>2016-12-27 12:53:44 -0700
commit54ab6db0909061ab7ee07233d3cab86d29f86e6c (patch)
treea7650ab5c0fa3a6a3841de8e8693041b3e009054 /tools/include/linux/bitops.h
parent217e2bfab22e740227df09f22165e834cddd8a3b (diff)
parent7ce7d89f48834cefece7804d38fc5d85382edf77 (diff)
Merge tag 'v4.10-rc1' into docs-next
Linux 4.10-rc1
Diffstat (limited to 'tools/include/linux/bitops.h')
-rw-r--r--tools/include/linux/bitops.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h
index 49c929a104ee..fc446343ff41 100644
--- a/tools/include/linux/bitops.h
+++ b/tools/include/linux/bitops.h
@@ -39,6 +39,11 @@ 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_set_bit() but use bit as value to start with */
#define for_each_set_bit_from(bit, addr, size) \
for ((bit) = find_next_bit((addr), (size), (bit)); \