arch/mips/include/uapi/asm/sembuf.h
arch/parisc/include/uapi/asm/sembuf.h
arch/powerpc/include/uapi/asm/sembuf.h
arch/sparc/include/uapi/asm/sembuf.h
arch/x86/include/uapi/asm/sembuf.h
arch/xtensa/include/uapi/asm/sembuf.h
include/uapi/asm-generic/sembuf.h