1 #ifndef _ASM_GENERIC_BITOPS_HWEIGHT_H_ 2 #define _ASM_GENERIC_BITOPS_HWEIGHT_H_ 3 4 extern unsigned int hweight32(unsigned int w); 5 extern unsigned int hweight16(unsigned int w); 6 extern unsigned int hweight8(unsigned int w); 7 extern unsigned long hweight64(__u64 w); 8 9 #endif /* _ASM_GENERIC_BITOPS_HWEIGHT_H_ */ 10