218 			folio->_mm_id_mapcount[0] != -1);  in __folio_large_mapcount_sanity_checks()
220 			folio->_mm_id_mapcount[0] < 0);  in __folio_large_mapcount_sanity_checks()
222 			folio->_mm_id_mapcount[1] != -1);  in __folio_large_mapcount_sanity_checks()
224 			folio->_mm_id_mapcount[1] < 0);  in __folio_large_mapcount_sanity_checks()
239 	folio->_mm_id_mapcount[0] = mapcount - 1;  in folio_set_large_mapcount()
263 		folio->_mm_id_mapcount[0] += diff;  in folio_add_return_large_mapcount()
264 		if (!IS_ENABLED(CONFIG_64BIT) && unlikely(folio->_mm_id_mapcount[0] < 0)) {  in folio_add_return_large_mapcount()
265 			folio->_mm_id_mapcount[0] = -1;  in folio_add_return_large_mapcount()
270 		folio->_mm_id_mapcount[1] += diff;  in folio_add_return_large_mapcount()
271 		if (!IS_ENABLED(CONFIG_64BIT) && unlikely(folio->_mm_id_mapcount[1] < 0)) {  in folio_add_return_large_mapcount()
272 			folio->_mm_id_mapcount[1] = -1;  in folio_add_return_large_mapcount()
278 		folio->_mm_id_mapcount[0] = diff - 1;  in folio_add_return_large_mapcount()
284 		folio->_mm_id_mapcount[1] = diff - 1;  in folio_add_return_large_mapcount()
312 		folio->_mm_id_mapcount[0] -= diff;  in folio_sub_return_large_mapcount()
313 		if (folio->_mm_id_mapcount[0] >= 0)  in folio_sub_return_large_mapcount()
315 		folio->_mm_id_mapcount[0] = -1;  in folio_sub_return_large_mapcount()
318 		folio->_mm_id_mapcount[1] -= diff;  in folio_sub_return_large_mapcount()
319 		if (folio->_mm_id_mapcount[1] >= 0)  in folio_sub_return_large_mapcount()
321 		folio->_mm_id_mapcount[1] = -1;  in folio_sub_return_large_mapcount()
331 	if (folio->_mm_id_mapcount[0] == new_mapcount_val ||  in folio_sub_return_large_mapcount()
332 	    folio->_mm_id_mapcount[1] == new_mapcount_val)  in folio_sub_return_large_mapcount()