__const_hweight16   19 include/asm-generic/bitops/const_hweight.h #define __const_hweight32(w) (__const_hweight16(w) + __const_hweight16((w) >> 16))
__const_hweight16   26 include/asm-generic/bitops/const_hweight.h #define hweight16(w) (__builtin_constant_p(w) ? __const_hweight16(w) : __arch_hweight16(w))
__const_hweight16   34 include/asm-generic/bitops/const_hweight.h #define HWEIGHT16(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight16(w))