1 files changed, 6 insertions, 1 deletions

diff --git a/mm/vmstat.c b/mm/vmstat.c
index 83a003bc3cae..8640a185dfc6 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -738,6 +738,7 @@ const char * const vmstat_text[] = {
         "nr_slab_unreclaimable",
         "nr_page_table_pages",
         "nr_kernel_stack",
+        "nr_overhead",
         "nr_unstable",
         "nr_bounce",
         "nr_vmscan_write",
@@ -1093,6 +1094,8 @@ static void pagetypeinfo_showmixedcount_print(struct seq_file *m,
                                 continue;
 
                         page_ext = lookup_page_ext(page);
+                        if (unlikely(!page_ext))
+                                continue;
 
                         if (!test_bit(PAGE_EXT_OWNER, &page_ext->flags))
                                 continue;
@@ -1350,7 +1353,9 @@ static int vmstat_show(struct seq_file *m, void *arg)
         unsigned long *l = arg;
         unsigned long off = l - (unsigned long *)m->private;
 
-        seq_printf(m, "%s %lu\n", vmstat_text[off], *l);
+        seq_puts(m, vmstat_text[off]);
+        seq_put_decimal_ull(m, ' ', *l);
+        seq_putc(m, '\n');
         return 0;
 }