#ifndef _ASM_GENERIC_BITOPS_ARCH_HWEIGHT_H_ #define _ASM_GENERIC_BITOPS_ARCH_HWEIGHT_H_ #include extern unsigned int __arch_hweight32(unsigned int w); extern unsigned int __arch_hweight16(unsigned int w); extern unsigned int __arch_hweight8(unsigned int w); extern unsigned long __arch_hweight64(__u64 w); #endif /* _ASM_GENERIC_BITOPS_HWEIGHT_H_ */