sys_setregid      422 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_setregid32, sys_setregid)
sys_setregid      704 include/linux/syscalls.h asmlinkage long sys_setregid(gid_t rgid, gid_t egid);
sys_setregid      453 include/uapi/asm-generic/unistd.h __SYSCALL(__NR_setregid, sys_setregid)
sys_setregid      453 tools/include/uapi/asm-generic/unistd.h __SYSCALL(__NR_setregid, sys_setregid)