1 files changed, 20 insertions, 0 deletions

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 6e45b0f3d125..35f293816294 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -931,6 +931,25 @@ static void s_stop(struct seq_file *m, void *p)
         read_unlock(&vmlist_lock);
 }
 
+static void show_numa_info(struct seq_file *m, struct vm_struct *v)
+{
+        if (NUMA_BUILD) {
+                unsigned int nr, *counters = m->private;
+
+                if (!counters)
+                        return;
+
+                memset(counters, 0, nr_node_ids * sizeof(unsigned int));
+
+                for (nr = 0; nr < v->nr_pages; nr++)
+                        counters[page_to_nid(v->pages[nr])]++;
+
+                for_each_node_state(nr, N_HIGH_MEMORY)
+                        if (counters[nr])
+                                seq_printf(m, " N%u=%u", nr, counters[nr]);
+        }
+}
+
 static int s_show(struct seq_file *m, void *p)
 {
         struct vm_struct *v = p;
@@ -967,6 +986,7 @@ static int s_show(struct seq_file *m, void *p)
         if (v->flags & VM_VPAGES)
                 seq_printf(m, " vpages");
 
+        show_numa_info(m, v);
         seq_putc(m, '\n');
         return 0;
 }