Symbol: is_backed_by_folio
tools/testing/selftests/mm/split_huge_page_test.c
446
if (is_backed_by_folio(page_area + i * pagesize, pmd_order,
tools/testing/selftests/mm/split_huge_page_test.c
467
if (is_backed_by_folio(page_area + i * pagesize, 0,