18c2ecf20Sopenharmony_ciconfig DMABUF_HEAPS_SYSTEM 28c2ecf20Sopenharmony_ci bool "DMA-BUF System Heap" 38c2ecf20Sopenharmony_ci depends on DMABUF_HEAPS 48c2ecf20Sopenharmony_ci help 58c2ecf20Sopenharmony_ci Choose this option to enable the system dmabuf heap. The system heap 68c2ecf20Sopenharmony_ci is backed by pages from the buddy allocator. If in doubt, say Y. 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ciconfig DMABUF_HEAPS_CMA 98c2ecf20Sopenharmony_ci bool "DMA-BUF CMA Heap" 108c2ecf20Sopenharmony_ci depends on DMABUF_HEAPS && DMA_CMA 118c2ecf20Sopenharmony_ci help 128c2ecf20Sopenharmony_ci Choose this option to enable dma-buf CMA heap. This heap is backed 138c2ecf20Sopenharmony_ci by the Contiguous Memory Allocator (CMA). If your system has these 148c2ecf20Sopenharmony_ci regions, you should say Y here. 15