8 extern unsigned long _find_first_bit(const unsigned long *addr, unsigned long size);
9 extern unsigned long _find_first_zero_bit(const unsigned long *addr, unsigned long size);
10 extern unsigned long _find_last_bit(const unsigned long *addr, unsigned long size);
17  * @size: The bitmap size in bits
20  * If no bits are set, returns @size.
23 unsigned long find_next_bit(const unsigned long *addr, unsigned long size,  in find_next_bit()  argument
26 	if (small_const_nbits(size)) {  in find_next_bit()
29 		if (unlikely(offset >= size))  in find_next_bit()
30 			return size;  in find_next_bit()
32 		val = *addr & GENMASK(size - 1, offset);  in find_next_bit()
33 		return val ? __ffs(val) : size;  in find_next_bit()
36 	return _find_next_bit(addr, NULL, size, offset, 0UL, 0);  in find_next_bit()
46  * @size: The bitmap size in bits
49  * If no bits are set, returns @size.
53 		const unsigned long *addr2, unsigned long size,  in find_next_and_bit()  argument
56 	if (small_const_nbits(size)) {  in find_next_and_bit()
59 		if (unlikely(offset >= size))  in find_next_and_bit()
60 			return size;  in find_next_and_bit()
62 		val = *addr1 & *addr2 & GENMASK(size - 1, offset);  in find_next_and_bit()
63 		return val ? __ffs(val) : size;  in find_next_and_bit()
66 	return _find_next_bit(addr1, addr2, size, offset, 0UL, 0);  in find_next_and_bit()
75  * @size: The bitmap size in bits
78  * If no bits are zero, returns @size.
81 unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size,  in find_next_zero_bit()  argument
84 	if (small_const_nbits(size)) {  in find_next_zero_bit()
87 		if (unlikely(offset >= size))  in find_next_zero_bit()
88 			return size;  in find_next_zero_bit()
90 		val = *addr | ~GENMASK(size - 1, offset);  in find_next_zero_bit()
91 		return val == ~0UL ? size : ffz(val);  in find_next_zero_bit()
94 	return _find_next_bit(addr, NULL, size, offset, ~0UL, 0);  in find_next_zero_bit()
103  * @size: The maximum number of bits to search
106  * If no bits are set, returns @size.
109 unsigned long find_first_bit(const unsigned long *addr, unsigned long size)  in find_first_bit()  argument
111 	if (small_const_nbits(size)) {  in find_first_bit()
112 		unsigned long val = *addr & GENMASK(size - 1, 0);  in find_first_bit()
114 		return val ? __ffs(val) : size;  in find_first_bit()
117 	return _find_first_bit(addr, size);  in find_first_bit()
123  * @size: The maximum number of bits to search
126  * If no bits are zero, returns @size.
129 unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size)  in find_first_zero_bit()  argument
131 	if (small_const_nbits(size)) {  in find_first_zero_bit()
132 		unsigned long val = *addr | ~GENMASK(size - 1, 0);  in find_first_zero_bit()
134 		return val == ~0UL ? size : ffz(val);  in find_first_zero_bit()
137 	return _find_first_zero_bit(addr, size);  in find_first_zero_bit()
142 #define find_first_bit(addr, size) find_next_bit((addr), (size), 0)  argument
145 #define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0)  argument
154  * @size: The number of bits to search
156  * Returns the bit number of the last set bit, or size.
159 unsigned long find_last_bit(const unsigned long *addr, unsigned long size)  in find_last_bit()  argument
161 	if (small_const_nbits(size)) {  in find_last_bit()
162 		unsigned long val = *addr & GENMASK(size - 1, 0);  in find_last_bit()
164 		return val ? __fls(val) : size;  in find_last_bit()
167 	return _find_last_bit(addr, size);  in find_last_bit()
175  * @size: bitmap size in number of bits
179  * copied to the location pointed by @clump. If no bits are set, returns @size.
183 				      unsigned long size, unsigned long offset);
185 #define find_first_clump8(clump, bits, size) \  argument
186 	find_next_clump8((clump), (bits), (size), 0)