Since linux-6.3 vma->vm_flags must be set using a wrapper function.
See commit bc292ab00f6c7a661a8a605c714e8a148f629ef6 for a more thorough
explanation.

--- hpuefi-mod-3.04/hpuefi.c
+++ hpuefi-mod-3.04/hpuefi.c
@@ -612,7 +612,7 @@
 /* *****Input conditions validation preamble end***** */
 
    // we do not want to have this area swapped out, lock it
-   vma->vm_flags |= VM_LOCKED;
+   vm_flags_set(vma, VM_LOCKED);
    // create mapping between virtual address supplied by user and physical pages
    if (PhysBuffer != 0) {
        if ((remap_pfn_range(vma, vma->vm_start, PhysBuffer >> PAGE_SHIFT, size, vma->vm_page_prot)) != SUCCESS)