cma_pages 3489 mm/page_alloc.c long cma_pages = 0; cma_pages 3494 mm/page_alloc.c cma_pages = zone_page_state(z, NR_FREE_CMA_PAGES); cma_pages 3504 mm/page_alloc.c if (!order && (free_pages - cma_pages) > mark + z->lowmem_reserve[classzone_idx])