#ifndef _ASM_GENERIC_BITOPS_FIND_H_#define _ASM_GENERIC_BITOPS_FIND_H_ #ifndef find_next_bit/** * find_next_bit - find the next set bit in a memory region * @addr: The address to base the search on * @offset: The bitnumber to start searching at * @size: The bitmap size in bits * * Returns the bit number for the next set bit * If no bits are set, returns @size. */extern unsigned long find_next_bit(const unsigned long *addr, unsigned long		size, unsigned long offset);#endif #ifndef find_next_zero_bit/** * find_next_zero_bit - find the next cleared bit in a memory region * @addr: The address to base the search on * @offset: The bitnumber to start searching at * @size: The bitmap size in bits * * Returns the bit number of the next zero bit * If no bits are zero, returns @size. */extern unsigned long find_next_zero_bit(const unsigned long *addr, unsigned		long size, unsigned long offset);#endif #ifdef CONFIG_GENERIC_FIND_FIRST_BIT /** * find_first_bit - find the first set bit in a memory region * @addr: The address to start the search at * @size: The maximum number of bits to search * * Returns the bit number of the first set bit. * If no bits are set, returns @size. */extern unsigned long find_first_bit(const unsigned long *addr,				    unsigned long size); /** * find_first_zero_bit - find the first cleared bit in a memory region * @addr: The address to start the search at * @size: The maximum number of bits to search * * Returns the bit number of the first cleared bit. * If no bits are zero, returns @size. */extern unsigned long find_first_zero_bit(const unsigned long *addr,					 unsigned long size);#else /* CONFIG_GENERIC_FIND_FIRST_BIT */ #define find_first_bit(addr, size) find_next_bit((addr), (size), 0)#define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0) #endif /* CONFIG_GENERIC_FIND_FIRST_BIT */ #endif /*_ASM_GENERIC_BITOPS_FIND_H_ */