1 #ifndef _TOOLS_LINUX_ASM_GENERIC_BITOPS_FIND_H_
2 #define _TOOLS_LINUX_ASM_GENERIC_BITOPS_FIND_H_
6 * find_next_bit - find the next set bit in a memory region
7 * @addr: The address to base the search on
8 * @offset: The bitnumber to start searching at
9 * @size: The bitmap size in bits
11 * Returns the bit number for the next set bit
12 * If no bits are set, returns @size.
14 extern unsigned long find_next_bit(const unsigned long *addr, unsigned long
15 size, unsigned long offset);
18 #ifndef find_next_zero_bit
21 * find_next_zero_bit - find the next cleared bit in a memory region
22 * @addr: The address to base the search on
23 * @offset: The bitnumber to start searching at
24 * @size: The bitmap size in bits
26 * Returns the bit number of the next zero bit
27 * If no bits are zero, returns @size.
29 unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size,
30 unsigned long offset);
33 #ifndef find_first_bit
36 * find_first_bit - find the first set bit in a memory region
37 * @addr: The address to start the search at
38 * @size: The maximum number of bits to search
40 * Returns the bit number of the first set bit.
41 * If no bits are set, returns @size.
43 extern unsigned long find_first_bit(const unsigned long *addr,
46 #endif /* find_first_bit */
48 #ifndef find_first_zero_bit
51 * find_first_zero_bit - find the first cleared bit in a memory region
52 * @addr: The address to start the search at
53 * @size: The maximum number of bits to search
55 * Returns the bit number of the first cleared bit.
56 * If no bits are zero, returns @size.
58 unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size);
61 #endif /*_TOOLS_LINUX_ASM_GENERIC_BITOPS_FIND_H_ */