if (!file)
return -EBADF;
+ /*
+ * Page cache readahead assumes page cache pages are order-0 which
+ * is not the case for hugetlbfs. Do not give a bad return value
+ * but ignore the advice.
+ */
+ if (vma->vm_flags & VM_HUGETLB)
+ return 0;
+
if (file->f_mapping->a_ops->get_xip_mem) {
/* no bad return value, but ignore advice */
return 0;