do_sysctl 603 arch/x86/ia32/sys_ia32.c ret = do_sysctl(namep, a32.nlen, oldvalp, (size_t __user *)&oldlen, do_sysctl 999 include/linux/sysctl.h extern int do_sysctl (int __user *name, int nlen, do_sysctl 1611 kernel/sysctl.c error = do_sysctl(tmp.name, tmp.nlen, tmp.oldval, tmp.oldlenp,