mm: use VM_BUG_ON_MM where possible

Dump the contents of the relevant struct_mm when we hit the bug condition.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/mm/mmap.c b/mm/mmap.c
index c9bc285df255..16d19b48e2ad 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -410,8 +410,9 @@ static void validate_mm_rb(struct rb_root *root, struct vm_area_struct *ignore)
         for (nd = rb_first(root); nd; nd = rb_next(nd)) {
                 struct vm_area_struct *vma;
                 vma = rb_entry(nd, struct vm_area_struct, vm_rb);
-                BUG_ON(vma != ignore &&
-                       vma->rb_subtree_gap != vma_compute_subtree_gap(vma));
+                VM_BUG_ON_VMA(vma != ignore &&
+                        vma->rb_subtree_gap != vma_compute_subtree_gap(vma),
+                        vma);
         }
 }
 
@@ -448,7 +449,7 @@ static void validate_mm(struct mm_struct *mm)
                         pr_emerg("map_count %d rb %d\n", mm->map_count, i);
                 bug = 1;
         }
-        BUG_ON(bug);
+        VM_BUG_ON_MM(bug, mm);
 }
 #else
 #define validate_mm_rb(root, ignore) do { } while (0)