13d0407baSopenharmony_cimenuconfig DMABUF_HEAPS_DEFERRED_FREE 23d0407baSopenharmony_ci bool "DMA-BUF heaps deferred-free library" 33d0407baSopenharmony_ci help 43d0407baSopenharmony_ci Choose this option to enable the DMA-BUF heaps deferred-free library. 53d0407baSopenharmony_ci 63d0407baSopenharmony_cimenuconfig DMABUF_HEAPS_PAGE_POOL 73d0407baSopenharmony_ci bool "DMA-BUF heaps page-pool library" 83d0407baSopenharmony_ci help 93d0407baSopenharmony_ci Choose this option to enable the DMA-BUF heaps page-pool library. 103d0407baSopenharmony_ci 113d0407baSopenharmony_ciconfig DMABUF_HEAPS_SYSTEM 123d0407baSopenharmony_ci tristate "DMA-BUF System Heap" 133d0407baSopenharmony_ci depends on DMABUF_HEAPS && DMABUF_HEAPS_DEFERRED_FREE && DMABUF_HEAPS_PAGE_POOL 143d0407baSopenharmony_ci help 153d0407baSopenharmony_ci Choose this option to enable the system dmabuf heap. The system heap 163d0407baSopenharmony_ci is backed by pages from the buddy allocator. If in doubt, say Y. 173d0407baSopenharmony_ci 183d0407baSopenharmony_ciconfig DMABUF_HEAPS_CMA 193d0407baSopenharmony_ci tristate "DMA-BUF CMA Heap" 203d0407baSopenharmony_ci depends on DMABUF_HEAPS && DMA_CMA 213d0407baSopenharmony_ci help 223d0407baSopenharmony_ci Choose this option to enable dma-buf CMA heap. This heap is backed 233d0407baSopenharmony_ci by the Contiguous Memory Allocator (CMA). If your system has these 243d0407baSopenharmony_ci regions, you should say Y here. 25