__NR_chmod 19 arch/x86/include/generated/uapi/asm/unistd_32.h #define __NR_chmod 15 __NR_chmod 94 arch/x86/include/generated/uapi/asm/unistd_64.h #define __NR_chmod 90 __NR_chmod 83 arch/x86/include/generated/uapi/asm/unistd_x32.h #define __NR_chmod (__X32_SYSCALL_BIT + 90)