diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index e2f7f5aaaafb77c848dcb21fcdc8168cdcf8d860..45eaae03062805899f559399691b42ca9554d829 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -713,6 +713,11 @@ static int __do_huge_pmd_anonymous_page(struct mm_struct *mm,
 		return VM_FAULT_OOM;
 
 	clear_huge_page(page, haddr, HPAGE_PMD_NR);
+	/*
+	 * The memory barrier inside __SetPageUptodate makes sure that
+	 * clear_huge_page writes become visible before the set_pmd_at()
+	 * write.
+	 */
 	__SetPageUptodate(page);
 
 	spin_lock(&mm->page_table_lock);
@@ -724,12 +729,6 @@ static int __do_huge_pmd_anonymous_page(struct mm_struct *mm,
 	} else {
 		pmd_t entry;
 		entry = mk_huge_pmd(page, vma);
-		/*
-		 * The spinlocking to take the lru_lock inside
-		 * page_add_new_anon_rmap() acts as a full memory
-		 * barrier to be sure clear_huge_page writes become
-		 * visible after the set_pmd_at() write.
-		 */
 		page_add_new_anon_rmap(page, vma, haddr);
 		set_pmd_at(mm, haddr, pmd, entry);
 		pgtable_trans_huge_deposit(mm, pgtable);
diff --git a/mm/memory.c b/mm/memory.c
index ba94dec5b25900e47093544e11f8c765bf243f9d..f7a1fba85d140483242345e97acdbdf62eaafda8 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3244,6 +3244,11 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
 	page = alloc_zeroed_user_highpage_movable(vma, address);
 	if (!page)
 		goto oom;
+	/*
+	 * The memory barrier inside __SetPageUptodate makes sure that
+	 * preceeding stores to the page contents become visible before
+	 * the set_pte_at() write.
+	 */
 	__SetPageUptodate(page);
 
 	if (mem_cgroup_newpage_charge(page, mm, GFP_KERNEL))