1 #ifndef _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_ 2 #define _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_ 3 4 /** 5 * ffs - find first bit set 6 * @x: the word to search 7 * 8 * This is defined the same way as 9 * the libc and compiler builtin ffs routines, therefore 10 * differs in spirit from the above ffz (man ffs). 11 */ 12 static __always_inline int ffs(int x) 13 { 14 return __builtin_ffs(x); 15 } 16 17 #endif 18