diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index fce667c0..004c9c2 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1389,7 +1389,8 @@
 	return ret;
 }
 
-int hugepage_madvise(unsigned long *vm_flags, int advice)
+int hugepage_madvise(struct vm_area_struct *vma,
+		     unsigned long *vm_flags, int advice)
 {
 	switch (advice) {
 	case MADV_HUGEPAGE:
@@ -1404,6 +1405,13 @@
 			return -EINVAL;
 		*vm_flags &= ~VM_NOHUGEPAGE;
 		*vm_flags |= VM_HUGEPAGE;
+		/*
+		 * If the vma become good for khugepaged to scan,
+		 * register it here without waiting a page fault that
+		 * may not happen any time soon.
+		 */
+		if (unlikely(khugepaged_enter_vma_merge(vma)))
+			return -ENOMEM;
 		break;
 	case MADV_NOHUGEPAGE:
 		/*
@@ -1417,6 +1425,11 @@
 			return -EINVAL;
 		*vm_flags &= ~VM_HUGEPAGE;
 		*vm_flags |= VM_NOHUGEPAGE;
+		/*
+		 * Setting VM_NOHUGEPAGE will prevent khugepaged from scanning
+		 * this vma even if we leave the mm registered in khugepaged if
+		 * it got registered before VM_NOHUGEPAGE was set.
+		 */
 		break;
 	}
 
@@ -1784,7 +1797,8 @@
 	if (address < hstart || address + HPAGE_PMD_SIZE > hend)
 		goto out;
 
-	if (!(vma->vm_flags & VM_HUGEPAGE) && !khugepaged_always())
+	if ((!(vma->vm_flags & VM_HUGEPAGE) && !khugepaged_always()) ||
+	    (vma->vm_flags & VM_NOHUGEPAGE))
 		goto out;
 
 	/* VM_PFNMAP vmas may have vm_ops null but vm_file set */
@@ -2007,8 +2021,9 @@
 			break;
 		}
 
-		if (!(vma->vm_flags & VM_HUGEPAGE) &&
-		    !khugepaged_always()) {
+		if ((!(vma->vm_flags & VM_HUGEPAGE) &&
+		     !khugepaged_always()) ||
+		    (vma->vm_flags & VM_NOHUGEPAGE)) {
 			progress++;
 			continue;
 		}
diff --git a/mm/madvise.c b/mm/madvise.c
index bbac126..2221491 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -73,7 +73,7 @@
 		break;
 	case MADV_HUGEPAGE:
 	case MADV_NOHUGEPAGE:
-		error = hugepage_madvise(&new_flags, behavior);
+		error = hugepage_madvise(vma, &new_flags, behavior);
 		if (error)
 			goto out;
 		break;