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authorSasha Levin <sasha.levin@oracle.com>2014-10-09 15:28:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-10-09 22:25:58 -0400
commit96dad67ff244e797c4bc3e4f7f0fdaa0cfdf0a7d (patch)
treeea45352bf168845bf42d0d656b5d8bdacc55d8e8 /mm/mmap.c
parent31c9afa6db122a5c7a7843278aaf77dd08ea6e98 (diff)
downloadlinux-96dad67ff244e797c4bc3e4f7f0fdaa0cfdf0a7d.tar.gz
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>
Diffstat (limited to 'mm/mmap.c')
-rw-r--r--mm/mmap.c7
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)