1 files changed, 6 insertions, 1 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index f18f016cca80..a818d568ddf3 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5754,7 +5754,12 @@ module_init(init_per_zone_wmark_min)
 int min_free_kbytes_sysctl_handler(ctl_table *table, int write,
         void __user *buffer, size_t *length, loff_t *ppos)
 {
-        proc_dointvec(table, write, buffer, length, ppos);
+        int rc;
+
+        rc = proc_dointvec_minmax(table, write, buffer, length, ppos);
+        if (rc)
+                return rc;
+
         if (write) {
                 user_min_free_kbytes = min_free_kbytes;
                 setup_per_zone_wmarks();