--- x/mm/hugetlb.c
+++ h/mm/hugetlb.c
@@ -6810,6 +6810,7 @@ static bool __vma_shareable_flags_pmd(st
 
 void hugetlb_vma_lock_read(struct vm_area_struct *vma)
 {
+	return;
 	if (__vma_shareable_flags_pmd(vma)) {
 		struct hugetlb_vma_lock *vma_lock = vma->vm_private_data;
 
@@ -6819,6 +6820,7 @@ void hugetlb_vma_lock_read(struct vm_are
 
 void hugetlb_vma_unlock_read(struct vm_area_struct *vma)
 {
+	return;
 	if (__vma_shareable_flags_pmd(vma)) {
 		struct hugetlb_vma_lock *vma_lock = vma->vm_private_data;