1# SPDX-License-Identifier: GPL-2.0 2config ION_SYSTEM_HEAP 3 tristate "Ion system heap" 4 depends on ION 5 help 6 Choose this option to enable the Ion system heap. The system heap 7 is backed by pages from the buddy allocator. If in doubt, say Y. 8 9config ION_CMA_HEAP 10 tristate "Ion CMA heap support" 11 depends on ION && DMA_CMA 12 help 13 Choose this option to enable CMA heaps with Ion. This heap is backed 14 by the Contiguous Memory Allocator (CMA). If your system has these 15 regions, you should say Y here. 16