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authorIngo Molnar <mingo@elte.hu>2009-01-04 10:59:36 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-04 10:59:36 +0100
commit4010b0192ddf6ec7ec1b9feb9b0953692aeb7329 (patch)
tree188a36186f6ce580b479a9f90404fa7bfd8b22d7 /include/linux/bitops.h
parent79ff56ebd3edfb16f8badc558cb439b203a3298f (diff)
parent7d3b56ba37a95f1f370f50258ed3954c304c524b (diff)
Merge branch 'linus' into core/urgent
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 024f2b02724..61829139795 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -134,9 +134,20 @@ extern unsigned long find_first_bit(const unsigned long *addr,
*/
extern unsigned long find_first_zero_bit(const unsigned long *addr,
unsigned long size);
-
#endif /* CONFIG_GENERIC_FIND_FIRST_BIT */
+#ifdef CONFIG_GENERIC_FIND_LAST_BIT
+/**
+ * find_last_bit - find the last set bit in a memory region
+ * @addr: The address to start the search at
+ * @size: The maximum size to search
+ *
+ * Returns the bit number of the first set bit, or size.
+ */
+extern unsigned long find_last_bit(const unsigned long *addr,
+ unsigned long size);
+#endif /* CONFIG_GENERIC_FIND_LAST_BIT */
+
#ifdef CONFIG_GENERIC_FIND_NEXT_BIT
/**