Linux-2.6.33.2/include/asm-generic/bitops/hweight.h

#ifndef _ASM_GENERIC_BITOPS_HWEIGHT_H_
#define _ASM_GENERIC_BITOPS_HWEIGHT_H_

#include <asm/types.h>

extern unsigned int hweight32(unsigned int w);
extern unsigned int hweight16(unsigned int w);
extern unsigned int hweight8(unsigned int w);
extern unsigned long hweight64(__u64 w);

#endif /* _ASM_GENERIC_BITOPS_HWEIGHT_H_ */