--- a/mm/hugetlb.c~hugetlb-replace-the-obsolete-hugetlb_instantiation_mutex-in-the-comments +++ a/mm/hugetlb.c @@ -5014,7 +5014,7 @@ static void unmap_ref_private(struct mm_ /* * Hugetlb_cow() should be called with page lock of the original hugepage held. - * Called with hugetlb_instantiation_mutex held and pte_page locked so we + * Called with hugetlb_fault_mutex_table held and pte_page locked so we * cannot race with other handlers or page migration. * Keep the pte_same checks anyway to make transition from the mutex easier. */