606 static void smaps_pmd_entry(pmd_t *pmd, unsigned long addr,  in smaps_pmd_entry()  argument
615 	if (pmd_present(*pmd)) {  in smaps_pmd_entry()
617 		page = follow_trans_huge_pmd(vma, addr, pmd, FOLL_DUMP);  in smaps_pmd_entry()
618 	} else if (unlikely(thp_migration_supported() && is_swap_pmd(*pmd))) {  in smaps_pmd_entry()
619 		swp_entry_t entry = pmd_to_swp_entry(*pmd);  in smaps_pmd_entry()
637 	smaps_account(mss, page, true, pmd_young(*pmd), pmd_dirty(*pmd),  in smaps_pmd_entry()
641 static void smaps_pmd_entry(pmd_t *pmd, unsigned long addr,  in smaps_pmd_entry()  argument
647 static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,  in smaps_pte_range()  argument
654 	ptl = pmd_trans_huge_lock(pmd, vma);  in smaps_pte_range()
656 		smaps_pmd_entry(pmd, addr, walk);  in smaps_pte_range()
661 	if (pmd_trans_unstable(pmd))  in smaps_pte_range()
668 	pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);  in smaps_pte_range()
1173 	pmd_t old, pmd = *pmdp;  in clear_soft_dirty_pmd()  local
1175 	if (pmd_present(pmd)) {  in clear_soft_dirty_pmd()
1179 			pmd = pmd_mkdirty(pmd);  in clear_soft_dirty_pmd()
1181 			pmd = pmd_mkyoung(pmd);  in clear_soft_dirty_pmd()
1183 		pmd = pmd_wrprotect(pmd);  in clear_soft_dirty_pmd()
1184 		pmd = pmd_clear_soft_dirty(pmd);  in clear_soft_dirty_pmd()
1186 		set_pmd_at(vma->vm_mm, addr, pmdp, pmd);  in clear_soft_dirty_pmd()
1187 	} else if (is_migration_entry(pmd_to_swp_entry(pmd))) {  in clear_soft_dirty_pmd()
1188 		pmd = pmd_swp_clear_soft_dirty(pmd);  in clear_soft_dirty_pmd()
1189 		set_pmd_at(vma->vm_mm, addr, pmdp, pmd);  in clear_soft_dirty_pmd()
1199 static int clear_refs_pte_range(pmd_t *pmd, unsigned long addr,  in clear_refs_pte_range()  argument
1208 	ptl = pmd_trans_huge_lock(pmd, vma);  in clear_refs_pte_range()
1211 			clear_soft_dirty_pmd(vma, addr, pmd);  in clear_refs_pte_range()
1215 		if (!pmd_present(*pmd))  in clear_refs_pte_range()
1218 		page = pmd_page(*pmd);  in clear_refs_pte_range()
1221 		pmdp_test_and_clear_young(vma, addr, pmd);  in clear_refs_pte_range()
1229 	if (pmd_trans_unstable(pmd))  in clear_refs_pte_range()
1232 	pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);  in clear_refs_pte_range()
1503 		pmd_t pmd = *pmdp;  in pagemap_pmd_range()  local
1509 		if (pmd_present(pmd)) {  in pagemap_pmd_range()
1510 			page = pmd_page(pmd);  in pagemap_pmd_range()
1513 			if (pmd_soft_dirty(pmd))  in pagemap_pmd_range()
1516 				frame = pmd_pfn(pmd) +  in pagemap_pmd_range()
1520 		else if (is_swap_pmd(pmd)) {  in pagemap_pmd_range()
1521 			swp_entry_t entry = pmd_to_swp_entry(pmd);  in pagemap_pmd_range()
1531 			if (pmd_swp_soft_dirty(pmd))  in pagemap_pmd_range()
1533 			VM_BUG_ON(!is_pmd_migration_entry(pmd));  in pagemap_pmd_range()
1850 static struct page *can_gather_numa_stats_pmd(pmd_t pmd,  in can_gather_numa_stats_pmd()  argument
1857 	if (!pmd_present(pmd))  in can_gather_numa_stats_pmd()
1860 	page = vm_normal_page_pmd(vma, addr, pmd);  in can_gather_numa_stats_pmd()
1875 static int gather_pte_stats(pmd_t *pmd, unsigned long addr,  in gather_pte_stats()  argument
1885 	ptl = pmd_trans_huge_lock(pmd, vma);  in gather_pte_stats()
1889 		page = can_gather_numa_stats_pmd(*pmd, vma, addr);  in gather_pte_stats()
1891 			gather_stats(page, md, pmd_dirty(*pmd),  in gather_pte_stats()
1897 	if (pmd_trans_unstable(pmd))  in gather_pte_stats()
1900 	orig_pte = pte = pte_offset_map_lock(walk->mm, pmd, addr, &ptl);  in gather_pte_stats()