proc: maps protection

[safe/jmp/linux-2.6] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index c904748..f0664bd 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -76,6 +76,7 @@ extern int pid_max_min, pid_max_max;
 extern int sysctl_drop_caches;
 extern int percpu_pagelist_fraction;
 extern int compat_log;
+extern int maps_protect;
 
 /* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
 static int maxolduid = 65535;
@@ -603,6 +604,16 @@ static ctl_table kern_table[] = {
                .proc_handler   = &proc_dointvec,
        },
 #endif
+#ifdef CONFIG_PROC_FS
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "maps_protect",
+               .data           = &maps_protect,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
+#endif
 
        { .ctl_name = 0 }
 };