__NR_flock        147 arch/x86/include/generated/uapi/asm/unistd_32.h #define __NR_flock 143
__NR_flock         77 arch/x86/include/generated/uapi/asm/unistd_64.h #define __NR_flock 73
__NR_flock         66 arch/x86/include/generated/uapi/asm/unistd_x32.h #define __NR_flock (__X32_SYSCALL_BIT + 73)