mm/mempolicy: fix !vma in new_vma_page()

[cascardo/linux.git] / mm / mempolicy.c

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 6d04d37..0cd2c4d 100644 (file)
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1197,14 +1197,16 @@ static struct page *new_vma_page(struct page *page, unsigned long private, int *
                        break;
                vma = vma->vm_next;
        }
+
+       if (PageHuge(page)) {
+               if (vma)
+                       return alloc_huge_page_noerr(vma, address, 1);
+               else
+                       return NULL;
+       }
        /*
-        * queue_pages_range() confirms that @page belongs to some vma,
-        * so vma shouldn't be NULL.
+        * if !vma, alloc_page_vma() will use task or system default policy
         */
-       BUG_ON(!vma);
-
-       if (PageHuge(page))
-               return alloc_huge_page_noerr(vma, address, 1);
        return alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, address);
 }
 #else