DMA-BUF CMA Heap
modulename: cma_heap.ko
configname: CONFIG_DMABUF_HEAPS_CMA
Linux Kernel Configuration
└─>Device Drivers
└─>DMABUF options
└─>DMA-BUF Userland Memory Heaps
└─>DMA-BUF CMA Heap
In linux kernel since version 5.1 (release Date: 2019-05-05)
Choose this option to enable dma-buf CMA heap. This heap is backed
by the Contiguous Memory Allocator (CMA). If your system has these
regions, you should say Y here.
by the Contiguous Memory Allocator (CMA). If your system has these
regions, you should say Y here.