1 files changed, 18 insertions, 12 deletions

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 0137ec4c1368..0a163a4f7764 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -122,6 +122,11 @@ struct mem_size_stats
         unsigned long private_dirty;
 };
 
+__attribute__((weak)) const char *arch_vma_name(struct vm_area_struct *vma)
+{
+        return NULL;
+}
+
 static int show_map_internal(struct seq_file *m, void *v, struct mem_size_stats *mss)
 {
         struct proc_maps_private *priv = m->private;
@@ -158,22 +163,23 @@ static int show_map_internal(struct seq_file *m, void *v, struct mem_size_stats
                 pad_len_spaces(m, len);
                 seq_path(m, file->f_vfsmnt, file->f_dentry, "\n");
         } else {
-                if (mm) {
-                        if (vma->vm_start <= mm->start_brk &&
+                const char *name = arch_vma_name(vma);
+                if (!name) {
+                        if (mm) {
+                                if (vma->vm_start <= mm->start_brk &&
                                                 vma->vm_end >= mm->brk) {
-                                pad_len_spaces(m, len);
-                                seq_puts(m, "[heap]");
-                        } else {
-                                if (vma->vm_start <= mm->start_stack &&
-                                        vma->vm_end >= mm->start_stack) {
-
-                                        pad_len_spaces(m, len);
-                                        seq_puts(m, "[stack]");
+                                        name = "[heap]";
+                                } else if (vma->vm_start <= mm->start_stack &&
+                                           vma->vm_end >= mm->start_stack) {
+                                        name = "[stack]";
                                 }
+                        } else {
+                                name = "[vdso]";
                         }
-                } else {
+                }
+                if (name) {
                         pad_len_spaces(m, len);
-                        seq_puts(m, "[vdso]");
+                        seq_puts(m, name);
                 }
         }
         seq_putc(m, '\n');