Lines Matching defs:mapcount
486 * if there is a mapcount, we can dereference the anon_vma after observing
767 int mapcount;
822 pra->mapcount--;
835 if (!pra->mapcount)
869 .mapcount = total_mapcount(page),
880 if (!pra.mapcount)
1136 atomic_t *mapcount;
1139 mapcount = compound_mapcount_ptr(page);
1140 first = atomic_inc_and_test(mapcount);
1373 * which increments mapcount after us but sets mapping