__NR_shmdt 71 arch/x86/include/generated/uapi/asm/unistd_64.h #define __NR_shmdt 67 __NR_shmdt 60 arch/x86/include/generated/uapi/asm/unistd_x32.h #define __NR_shmdt (__X32_SYSCALL_BIT + 67)