1menuconfig DMABUF_HEAPS_DEFERRED_FREE 2 bool "DMA-BUF heaps deferred-free library" 3 help 4 Choose this option to enable the DMA-BUF heaps deferred-free library. 5 6menuconfig DMABUF_HEAPS_PAGE_POOL 7 bool "DMA-BUF heaps page-pool library" 8 help 9 Choose this option to enable the DMA-BUF heaps page-pool library. 10