1549 	struct vm_area_struct *new;  in split_vma()  local
1567 	new = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);  in split_vma()
1568 	if (!new) {  in split_vma()
1574 	*new = *vma;  in split_vma()
1576 	new->vm_region = region;  in split_vma()
1581 		region->vm_top = region->vm_end = new->vm_end = addr;  in split_vma()
1583 		region->vm_start = new->vm_start = addr;  in split_vma()
1584 		region->vm_pgoff = new->vm_pgoff += npages;  in split_vma()
1587 	if (new->vm_ops && new->vm_ops->open)  in split_vma()
1588 		new->vm_ops->open(new);  in split_vma()
1601 	add_nommu_region(new->vm_region);  in split_vma()
1604 	add_vma_to_mm(mm, new);  in split_vma()