__NR_shmctl 35 arch/x86/include/generated/uapi/asm/unistd_64.h #define __NR_shmctl 31 __NR_shmctl 30 arch/x86/include/generated/uapi/asm/unistd_x32.h #define __NR_shmctl (__X32_SYSCALL_BIT + 31)