1 files changed, 13 insertions, 5 deletions

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 0e51a35a4486..62e4ff9968b5 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -27,6 +27,7 @@
 #include <linux/security.h>
 #include <linux/ctype.h>
 #include <linux/utsname.h>
+#include <linux/kmemcheck.h>
 #include <linux/smp_lock.h>
 #include <linux/fs.h>
 #include <linux/init.h>
@@ -967,6 +968,17 @@ static struct ctl_table kern_table[] = {
                 .proc_handler   = &proc_dointvec,
         },
 #endif
+#ifdef CONFIG_KMEMCHECK
+        {
+                .ctl_name       = CTL_UNNUMBERED,
+                .procname       = "kmemcheck",
+                .data           = &kmemcheck_enabled,
+                .maxlen         = sizeof(int),
+                .mode           = 0644,
+                .proc_handler   = &proc_dointvec,
+        },
+#endif
+
 /*
  * NOTE: do not add new entries to this table unless you have read
  * Documentation/sysctl/ctl_unnumbered.txt
@@ -1325,7 +1337,6 @@ static struct ctl_table vm_table[] = {
                 .extra2         = &one,
         },
 #endif
-#ifdef CONFIG_UNEVICTABLE_LRU
         {
                 .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "scan_unevictable_pages",
@@ -1334,7 +1345,6 @@ static struct ctl_table vm_table[] = {
                 .mode           = 0644,
                 .proc_handler   = &scan_unevictable_handler,
         },
-#endif
 /*
  * NOTE: do not add new entries to this table unless you have read
  * Documentation/sysctl/ctl_unnumbered.txt
@@ -2273,7 +2283,7 @@ static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table,
                   void *data)
 {
 #define TMPBUFLEN 21
-        int *i, vleft, first=1, neg, val;
+        int *i, vleft, first = 1, neg;
         unsigned long lval;
         size_t left, len;
         
@@ -2326,8 +2336,6 @@ static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table,
                         len = p-buf;
                         if ((len < left) && *p && !isspace(*p))
                                 break;
-                        if (neg)
-                                val = -val;
                         s += len;
                         left -= len;