__NR_umask 64 arch/x86/include/generated/uapi/asm/unistd_32.h #define __NR_umask 60 __NR_umask 99 arch/x86/include/generated/uapi/asm/unistd_64.h #define __NR_umask 95 __NR_umask 88 arch/x86/include/generated/uapi/asm/unistd_x32.h #define __NR_umask (__X32_SYSCALL_BIT + 95)