__NR_futex        242 arch/x86/include/generated/uapi/asm/unistd_32.h #define __NR_futex 240
__NR_futex        206 arch/x86/include/generated/uapi/asm/unistd_64.h #define __NR_futex 202
__NR_futex        184 arch/x86/include/generated/uapi/asm/unistd_x32.h #define __NR_futex (__X32_SYSCALL_BIT + 202)