930 			struct page *kpage, pte_t orig_pte)  in replace_page()  argument
959 	get_page(kpage);  in replace_page()
960 	page_add_anon_rmap(kpage, vma, addr);  in replace_page()
964 	set_pte_at_notify(mm, addr, ptep, mk_pte(kpage, vma->vm_page_prot));  in replace_page()
1016 				 struct page *page, struct page *kpage)  in try_to_merge_one_page()  argument
1021 	if (page == kpage)			/* ksm page forked */  in try_to_merge_one_page()
1048 		if (!kpage) {  in try_to_merge_one_page()
1057 		} else if (pages_identical(page, kpage))  in try_to_merge_one_page()
1058 			err = replace_page(vma, page, kpage, orig_pte);  in try_to_merge_one_page()
1061 	if ((vma->vm_flags & VM_LOCKED) && kpage && !err) {  in try_to_merge_one_page()
1063 		if (!PageMlocked(kpage)) {  in try_to_merge_one_page()
1065 			lock_page(kpage);  in try_to_merge_one_page()
1066 			mlock_vma_page(kpage);  in try_to_merge_one_page()
1067 			page = kpage;		/* for final unlock */  in try_to_merge_one_page()
1083 				      struct page *page, struct page *kpage)  in try_to_merge_with_ksm_page()  argument
1096 	err = try_to_merge_one_page(vma, page, kpage);  in try_to_merge_with_ksm_page()
1251 static struct stable_node *stable_tree_insert(struct page *kpage)  in stable_tree_insert()  argument
1260 	kpfn = page_to_pfn(kpage);  in stable_tree_insert()
1275 		ret = memcmp_pages(kpage, tree_page);  in stable_tree_insert()
1299 	set_page_stable_node(kpage, stable_node);  in stable_tree_insert()
1420 	struct page *kpage;  in cmp_and_merge_page()  local
1439 	kpage = stable_tree_search(page);  in cmp_and_merge_page()
1440 	if (kpage == page && rmap_item->head == stable_node) {  in cmp_and_merge_page()
1441 		put_page(kpage);  in cmp_and_merge_page()
1447 	if (kpage) {  in cmp_and_merge_page()
1448 		err = try_to_merge_with_ksm_page(rmap_item, page, kpage);  in cmp_and_merge_page()
1454 			lock_page(kpage);  in cmp_and_merge_page()
1455 			stable_tree_append(rmap_item, page_stable_node(kpage));  in cmp_and_merge_page()
1456 			unlock_page(kpage);  in cmp_and_merge_page()
1458 		put_page(kpage);  in cmp_and_merge_page()
1477 		kpage = try_to_merge_two_pages(rmap_item, page,  in cmp_and_merge_page()
1480 		if (kpage) {  in cmp_and_merge_page()
1485 			lock_page(kpage);  in cmp_and_merge_page()
1486 			stable_node = stable_tree_insert(kpage);  in cmp_and_merge_page()
1491 			unlock_page(kpage);  in cmp_and_merge_page()