482 static inline int pmd_present(pmd_t pmd)  in pmd_present()  argument
484 	return pmd_val(pmd) != _SEGMENT_ENTRY_INVALID;  in pmd_present()
487 static inline int pmd_none(pmd_t pmd)  in pmd_none()  argument
489 	return pmd_val(pmd) == _SEGMENT_ENTRY_INVALID;  in pmd_none()
492 static inline int pmd_large(pmd_t pmd)  in pmd_large()  argument
494 	return (pmd_val(pmd) & _SEGMENT_ENTRY_LARGE) != 0;  in pmd_large()
497 static inline unsigned long pmd_pfn(pmd_t pmd)  in pmd_pfn()  argument
502 	if (pmd_large(pmd))  in pmd_pfn()
504 	return (pmd_val(pmd) & origin_mask) >> PAGE_SHIFT;  in pmd_pfn()
507 static inline int pmd_bad(pmd_t pmd)  in pmd_bad()  argument
509 	if (pmd_large(pmd))  in pmd_bad()
510 		return (pmd_val(pmd) & ~_SEGMENT_ENTRY_BITS_LARGE) != 0;  in pmd_bad()
511 	return (pmd_val(pmd) & ~_SEGMENT_ENTRY_BITS) != 0;  in pmd_bad()
528 static inline int pmd_write(pmd_t pmd)  in pmd_write()  argument
530 	return (pmd_val(pmd) & _SEGMENT_ENTRY_WRITE) != 0;  in pmd_write()
533 static inline int pmd_dirty(pmd_t pmd)  in pmd_dirty()  argument
536 	if (pmd_large(pmd))  in pmd_dirty()
537 		dirty = (pmd_val(pmd) & _SEGMENT_ENTRY_DIRTY) != 0;  in pmd_dirty()
541 static inline int pmd_young(pmd_t pmd)  in pmd_young()  argument
544 	if (pmd_large(pmd))  in pmd_young()
545 		young = (pmd_val(pmd) & _SEGMENT_ENTRY_YOUNG) != 0;  in pmd_young()
1256 #define pmd_deref(pmd) (pmd_val(pmd) & _SEGMENT_ENTRY_ORIGIN)  argument
1270 	pmd_t *pmd = (pmd_t *) pud;  in pmd_offset()  local
1272 		pmd = (pmd_t *) pud_deref(*pud);  in pmd_offset()
1273 	return pmd + pmd_index(address);  in pmd_offset()
1280 #define pmd_page(pmd) pfn_to_page(pmd_pfn(pmd))  argument
1283 #define pte_offset(pmd, addr) ((pte_t *) pmd_deref(*(pmd)) + pte_index(addr))  argument
1284 #define pte_offset_kernel(pmd, address) pte_offset(pmd,address)  argument
1285 #define pte_offset_map(pmd, address) pte_offset_kernel(pmd, address)  argument
1302 static inline pmd_t pmd_wrprotect(pmd_t pmd)  in pmd_wrprotect()  argument
1304 	pmd_val(pmd) &= ~_SEGMENT_ENTRY_WRITE;  in pmd_wrprotect()
1305 	pmd_val(pmd) |= _SEGMENT_ENTRY_PROTECT;  in pmd_wrprotect()
1306 	return pmd;  in pmd_wrprotect()
1309 static inline pmd_t pmd_mkwrite(pmd_t pmd)  in pmd_mkwrite()  argument
1311 	pmd_val(pmd) |= _SEGMENT_ENTRY_WRITE;  in pmd_mkwrite()
1312 	if (pmd_large(pmd) && !(pmd_val(pmd) & _SEGMENT_ENTRY_DIRTY))  in pmd_mkwrite()
1313 		return pmd;  in pmd_mkwrite()
1314 	pmd_val(pmd) &= ~_SEGMENT_ENTRY_PROTECT;  in pmd_mkwrite()
1315 	return pmd;  in pmd_mkwrite()
1318 static inline pmd_t pmd_mkclean(pmd_t pmd)  in pmd_mkclean()  argument
1320 	if (pmd_large(pmd)) {  in pmd_mkclean()
1321 		pmd_val(pmd) &= ~_SEGMENT_ENTRY_DIRTY;  in pmd_mkclean()
1322 		pmd_val(pmd) |= _SEGMENT_ENTRY_PROTECT;  in pmd_mkclean()
1324 	return pmd;  in pmd_mkclean()
1327 static inline pmd_t pmd_mkdirty(pmd_t pmd)  in pmd_mkdirty()  argument
1329 	if (pmd_large(pmd)) {  in pmd_mkdirty()
1330 		pmd_val(pmd) |= _SEGMENT_ENTRY_DIRTY;  in pmd_mkdirty()
1331 		if (pmd_val(pmd) & _SEGMENT_ENTRY_WRITE)  in pmd_mkdirty()
1332 			pmd_val(pmd) &= ~_SEGMENT_ENTRY_PROTECT;  in pmd_mkdirty()
1334 	return pmd;  in pmd_mkdirty()
1337 static inline pmd_t pmd_mkyoung(pmd_t pmd)  in pmd_mkyoung()  argument
1339 	if (pmd_large(pmd)) {  in pmd_mkyoung()
1340 		pmd_val(pmd) |= _SEGMENT_ENTRY_YOUNG;  in pmd_mkyoung()
1341 		if (pmd_val(pmd) & _SEGMENT_ENTRY_READ)  in pmd_mkyoung()
1342 			pmd_val(pmd) &= ~_SEGMENT_ENTRY_INVALID;  in pmd_mkyoung()
1344 	return pmd;  in pmd_mkyoung()
1347 static inline pmd_t pmd_mkold(pmd_t pmd)  in pmd_mkold()  argument
1349 	if (pmd_large(pmd)) {  in pmd_mkold()
1350 		pmd_val(pmd) &= ~_SEGMENT_ENTRY_YOUNG;  in pmd_mkold()
1351 		pmd_val(pmd) |= _SEGMENT_ENTRY_INVALID;  in pmd_mkold()
1353 	return pmd;  in pmd_mkold()
1356 static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)  in pmd_modify()  argument
1358 	if (pmd_large(pmd)) {  in pmd_modify()
1359 		pmd_val(pmd) &= _SEGMENT_ENTRY_ORIGIN_LARGE |  in pmd_modify()
1362 		pmd_val(pmd) |= massage_pgprot_pmd(newprot);  in pmd_modify()
1363 		if (!(pmd_val(pmd) & _SEGMENT_ENTRY_DIRTY))  in pmd_modify()
1364 			pmd_val(pmd) |= _SEGMENT_ENTRY_PROTECT;  in pmd_modify()
1365 		if (!(pmd_val(pmd) & _SEGMENT_ENTRY_YOUNG))  in pmd_modify()
1366 			pmd_val(pmd) |= _SEGMENT_ENTRY_INVALID;  in pmd_modify()
1367 		return pmd;  in pmd_modify()
1369 	pmd_val(pmd) &= _SEGMENT_ENTRY_ORIGIN;  in pmd_modify()
1370 	pmd_val(pmd) |= massage_pgprot_pmd(newprot);  in pmd_modify()
1371 	return pmd;  in pmd_modify()
1469 static inline int pmd_trans_splitting(pmd_t pmd)  in pmd_trans_splitting()  argument
1471 	return (pmd_val(pmd) & _SEGMENT_ENTRY_LARGE) &&  in pmd_trans_splitting()
1472 		(pmd_val(pmd) & _SEGMENT_ENTRY_SPLIT);  in pmd_trans_splitting()
1481 static inline pmd_t pmd_mkhuge(pmd_t pmd)  in pmd_mkhuge()  argument
1483 	pmd_val(pmd) |= _SEGMENT_ENTRY_LARGE;  in pmd_mkhuge()
1484 	pmd_val(pmd) |= _SEGMENT_ENTRY_YOUNG;  in pmd_mkhuge()
1485 	pmd_val(pmd) |= _SEGMENT_ENTRY_PROTECT;  in pmd_mkhuge()
1486 	return pmd;  in pmd_mkhuge()
1493 	pmd_t pmd;  in pmdp_test_and_clear_young()  local
1495 	pmd = *pmdp;  in pmdp_test_and_clear_young()
1497 	*pmdp = pmd_mkold(pmd);  in pmdp_test_and_clear_young()
1498 	return pmd_young(pmd);  in pmdp_test_and_clear_young()
1505 	pmd_t pmd = *pmdp;  in pmdp_get_and_clear()  local
1509 	return pmd;  in pmdp_get_and_clear()
1517 	pmd_t pmd = *pmdp;  in pmdp_get_and_clear_full()  local
1522 	return pmd;  in pmdp_get_and_clear_full()
1543 	pmd_t pmd = *pmdp;  in pmdp_set_wrprotect()  local
1545 	if (pmd_write(pmd)) {  in pmdp_set_wrprotect()
1547 		set_pmd_at(mm, address, pmdp, pmd_wrprotect(pmd));  in pmdp_set_wrprotect()
1554 static inline int pmd_trans_huge(pmd_t pmd)  in pmd_trans_huge()  argument
1556 	return pmd_val(pmd) & _SEGMENT_ENTRY_LARGE;  in pmd_trans_huge()