__NR_N32_Linux_syscalls 21 arch/mips/include/asm/unistd.h #define NR_syscalls (__NR_N32_Linux + __NR_N32_Linux_syscalls) __NR_N32_Linux_syscalls 404 arch/mips/kernel/ftrace.c if (nr >= __NR_N32_Linux && nr < __NR_N32_Linux + __NR_N32_Linux_syscalls)