drm/i915: Fix KMS regression on Sandybridge/CPT

[mirror_ubuntu-artful-kernel.git] / mm / internal.h

diff --git a/mm/internal.h b/mm/internal.h
index 6a697bb97fc589fcdd71ad56a61d43f88862786b..dedb0aff673fcf9f0bbeb71dfc3f82a7ecf068ce 100644 (file)
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -62,7 +62,7 @@ extern bool is_free_buddy_page(struct page *page);
  */
 static inline unsigned long page_order(struct page *page)
 {
-       VM_BUG_ON(!PageBuddy(page));
+       /* PageBuddy() must be checked by the caller */
        return page_private(page);
 }