1 files changed, 4 insertions, 3 deletions

diff --git a/mm/vmstat.c b/mm/vmstat.c
index 6038ce593ce3..9c624595e904 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1827,12 +1827,13 @@ static bool need_update(int cpu)
 
                 /*
                  * The fast way of checking if there are any vmstat diffs.
-                 * This works because the diffs are byte sized items.
                  */
-                if (memchr_inv(p->vm_stat_diff, 0, NR_VM_ZONE_STAT_ITEMS))
+                if (memchr_inv(p->vm_stat_diff, 0, NR_VM_ZONE_STAT_ITEMS *
+                               sizeof(p->vm_stat_diff[0])))
                         return true;
 #ifdef CONFIG_NUMA
-                if (memchr_inv(p->vm_numa_stat_diff, 0, NR_VM_NUMA_STAT_ITEMS))
+                if (memchr_inv(p->vm_numa_stat_diff, 0, NR_VM_NUMA_STAT_ITEMS *
+                               sizeof(p->vm_numa_stat_diff[0])))
                         return true;
 #endif
         }