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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 c9bc285df25..16d19b48e2a 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)