Lines Matching defs:mapcount

770  * 	- supports mapcount up to 2^24, or 16M;
839 	int mapcount;
868 	 * Treat all non-present entries (where relying on the mapcount and
872 	 * Note that it would not be safe to read the mapcount especially for
882 		mapcount = folio_average_page_mapcount(folio);
887 	 * We obtain a snapshot of the mapcount. Without holding the folio lock
889 	 * mapcount atomically.
895 			mapcount = folio_precise_page_mapcount(folio, page);
896 			exclusive = mapcount < 2;
899 		if (mapcount >= 2)
900 			pss /= mapcount;
952 			int mapcount;
955 			mapcount = swp_swapcount(swpent);
956 			if (mapcount >= 2) {
959 				do_div(pss_delta, mapcount);