Defined in 2 files as a prototype:

• include/linux/bitops.h, line 27 (as a prototype)
• tools/include/linux/bitops.h, line 24 (as a prototype)

Defined in 2 files as a function:

• lib/hweight.c, line 40 (as a function)
• tools/lib/hweight.c, line 35 (as a function)

Referenced in 5 files:

• arch/powerpc/lib/hweight_64.S, line 28
• arch/sparc/lib/hweight.S, line 7
• include/asm-generic/bitops/arch_hweight.h, line 18
• lib/hweight.c, line 46
• tools/include/asm-generic/bitops/arch_hweight.h, line 18