X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=mm%2Fhuge_memory.c;h=530e6427f823cd3e3f063eaeced81ebdad32c694;hb=87a54369b8422410864794af528523024580efe9;hp=62fe06bb7d04bacccc8c2213a6a65134fa274010;hpb=11c1879e11bacc8d12e2cc4603a73d09db3da3bc;p=firefly-linux-kernel-4.4.55.git

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 62fe06bb7d04..530e6427f823 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2134,10 +2134,9 @@ int khugepaged_enter_vma_merge(struct vm_area_struct *vma,
 		 * page fault if needed.
 		 */
 		return 0;
-	if (vma->vm_ops)
+	if (vma->vm_ops || (vm_flags & VM_NO_THP))
 		/* khugepaged not yet working on file or special mappings */
 		return 0;
-	VM_BUG_ON_VMA(vm_flags & VM_NO_THP, vma);
 	hstart = (vma->vm_start + ~HPAGE_PMD_MASK) & HPAGE_PMD_MASK;
 	hend = vma->vm_end & HPAGE_PMD_MASK;
 	if (hstart < hend)
@@ -2498,8 +2497,7 @@ static bool hugepage_vma_check(struct vm_area_struct *vma)
 		return false;
 	if (is_vma_temporary_stack(vma))
 		return false;
-	VM_BUG_ON_VMA(vma->vm_flags & VM_NO_THP, vma);
-	return true;
+	return !(vma->vm_flags & VM_NO_THP);
 }
 
 static void collapse_huge_page(struct mm_struct *mm,