drivers/staging/android/ion/Kconfig

menuconfig ION
	bool "Ion Memory Manager"
	depends on HAVE_MEMBLOCK && HAS_DMA && MMU && ION_MSM
	select GENERIC_ALLOCATOR
	select DMA_SHARED_BUFFER
	---help---
	  Chose this option to enable the ION Memory Manager,
	  used by Android to efficiently allocate buffers
	  from userspace that can be shared between drivers.
	  If you're not using Android its probably safe to
	  say N here.

config ION_TEST
	tristate "Ion Test Device"
	depends on ION
	help
	  Choose this option to create a device that can be used to test the
	  kernel and device side ION functions.

config ION_DUMMY
	bool "Dummy Ion driver"
	depends on ION
	help
	  Provides a dummy ION driver that registers the
	  /dev/ion device and some basic heaps. This can
	  be used for testing the ION infrastructure if
	  one doesn't have access to hardware drivers that
	  use ION.

config ION_TEGRA
	tristate "Ion for Tegra"
	depends on ARCH_TEGRA && ION
	help
	  Choose this option if you wish to use ion on an nVidia Tegra.

config ION_HISI
	tristate "Ion for Hisilicon"
	depends on ARCH_HISI && ION
	help
	  Choose this option if you wish to use ion on Hisilicon Platform.

source "drivers/staging/android/ion/hisilicon/Kconfig"

config ION_POOL_CACHE_POLICY
	bool "Ion set page pool cache policy"
	depends on ION && X86
	default y if X86
	help
	  Choose this option if need to explicity set cache policy of the
	  pages in the page pool.

config ION_MSM
	tristate "Ion for MSM"
	depends on ARCH_QCOM && CMA
	select MSM_SECURE_BUFFER
	help
	  Choose this option if you wish to use ion on an MSM target.
	  Features include allocating heaps from device tree, buffer
	  cache maintenance, and a custom ioctl/compat_ioctl. Enable
	  utility functions used by ion_system_heap.

config ALLOC_BUFFERS_IN_4K_CHUNKS
	bool "Turns off allocation optimization and allocate only 4K pages"
	depends on ARCH_QCOM && ION
	help
          Choose this option if you want ION to allocate buffers in
          only 4KB chunks.