__NR_O32_Linux_syscalls 25 arch/mips/include/asm/unistd.h #define NR_syscalls (__NR_O32_Linux + __NR_O32_Linux_syscalls) __NR_O32_Linux_syscalls 410 arch/mips/kernel/ftrace.c if (nr >= __NR_O32_Linux && nr < __NR_O32_Linux + __NR_O32_Linux_syscalls)