From: Kees Cook <kees@outflux.net>

Signed-off-by: Kees Cook <kees@outflux.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/sysctl.c |    2 ++
 1 files changed, 2 insertions(+)

diff -puN kernel/sysctl.c~proc-maps-protection-fix-3 kernel/sysctl.c
--- a/kernel/sysctl.c~proc-maps-protection-fix-3
+++ a/kernel/sysctl.c
@@ -604,6 +604,7 @@ static ctl_table kern_table[] = {
 		.proc_handler	= &proc_dointvec,
 	},
 #endif
+#ifdef CONFIG_PROC_FS
 	{
 		.ctl_name       = CTL_UNNUMBERED,
 		.procname       = "maps_protect",
@@ -612,6 +613,7 @@ static ctl_table kern_table[] = {
 		.mode           = 0644,
 		.proc_handler   = &proc_dointvec,
 	},
+#endif
 
 	{ .ctl_name = 0 }
 };
_