# SPDX-License-Identifier: (GPL-2.0+ OR MIT)

menuconfig AMLOGIC_MEMORY_EXTEND
	bool "AMLOGIC memory extend support"
	depends on AMLOGIC_DRIVER
	depends on AMLOGIC_BREAK_GKI
	depends on AMLOGIC_BREAK_GKI_20
	select SWIOTLB if !AMLOGIC_MEMORY_OPT
	select DMA_RESTRICTED_POOL if !AMLOGIC_MEMORY_OPT
	default n
	help
		Amlogic memory extend is drivers which extend for memory management
		functions, can be used for memory debug or other features.

config AMLOGIC_PAGE_TRACE
	tristate "Amlogic trace for page allocate"
	depends on KALLSYMS
	depends on !NUMA_BALANCING
	default n
	help
		Amlogic page trace will record function address of caller for page
		allocate/free, according with allocate flags and order. trace
		information is stored in a pre-allocated memory block. And can be shown
		with allocate page count information of each caller functions from
		/proc/pagetrace

config AMLOGIC_PAGE_TRACE_INLINE
	bool "page trace inline into page flags"
	depends on AMLOGIC_BREAK_GKI_20
	depends on AMLOGIC_PAGE_TRACE
	depends on 64BIT
	depends on !KASAN_HW_TAGS && !KASAN_SW_TAGS
	default n
	help
		This feature enable to inline page trace into high 32bits of
		page->flags on 64 bit kernel. Because other total page flags
		are less than 32bit, so It can help to save memory when
		use page trace. But it conflict with KASAN tags, so when kasan
		tags enabled, this feature will be auto disabled

config AMLOGIC_SLAB_TRACE
	bool "Amlogic trace for slab usage"
	depends on AMLOGIC_BREAK_GKI_20
	depends on SLUB
	depends on AMLOGIC_MEMORY_EXTEND
	default n
	help
		Amlogic slab trace will record function address of caller for
		slab allocate/free(kmalloc-xxxx only). trace information is
		stored in rb tree. And can be shown with allocate size
		information of each caller functions from /proc/slabtrace

config AMLOGIC_CMA
	bool "Amlogic CMA change"
	depends on AMLOGIC_BREAK_GKI_20
	depends on AMLOGIC_MEMORY_EXTEND
	depends on CMA
	default n
	help
		Amlogic CMA optimization for cma alloc/free problems
		Including policy change of CMA usage

config AMLOGIC_MEM_DEBUG
	bool "Amlogic debug mem"
	depends on AMLOGIC_BREAK_GKI_20
	depends on AMLOGIC_MEMORY_EXTEND
	default n
	help
		Memory debug which hacking to kernel mm source.

config AMLOGIC_STACKPROTECTOR
	bool "Amlogic stack protector"
	depends on AMLOGIC_MEMORY_EXTEND
	default n
	help
		This config is used to disable CONFIG_STACKPROTECTOR
		if enabled AMLOGIC_VMAP. CONFIG_STACKPROTECTOR have
		bad effect to save stack usage.

config AMLOGIC_VMAP
	bool "Amlogic kernel stack"
	depends on AMLOGIC_BREAK_GKI_20
	depends on AMLOGIC_MEMORY_EXTEND
	depends on AMLOGIC_STACKPROTECTOR
	default n
	help
		This config is used to enable amlogic kernel stack
		usage optimization with vmalloc. It depends on
		AMLOGIC_MEMORY_EXTEND. This config only opened
		on 64 bit platform.

config AMLOGIC_USER_FAULT
	bool "Amlogic user fault helper"
	depends on AMLOGIC_BREAK_GKI_20
	depends on AMLOGIC_MEMORY_EXTEND
	default n
	help
		show more information when catch user fault. Including:
		memory around all registers
		maps with pc/lr
		pfn for all virtual address of registers

config AMLOGIC_ZSTD
	tristate "Amlogic zstd optimize"
	depends on AMLOGIC_BREAK_GKI_20
	depends on AMLOGIC_MEMORY_EXTEND
	default n
	help
		This config is an optimization of zstd,
		in zram, to improve the compression ratio
		and save memory

config AMLOGIC_MEMORY_STAT
	bool "Amlogic stat memory info"
	depends on AMLOGIC_BREAK_GKI_20
	depends on AMLOGIC_MEMORY_EXTEND
	default n
	help
		This config use to stat memory info,
		include count free pages in migrate
		list, print more memory information.

config AMLOGIC_CMA_DIS
	bool "Amlogic CMA disable change fot gki"
	depends on AMLOGIC_MEMORY_EXTEND
	depends on CMA
	default n
	help
		Amlogic disable CMA optimization for gki needs.

config AMLOGIC_MEMORY_OPT
	bool "Amlogic memory optimization support"
	depends on AMLOGIC_BREAK_GKI_20
	depends on AMLOGIC_MEMORY_EXTEND
	default n
	help
		Amlogic memory optimization support,
		distinguish from AMLOGIC_MEMORY_EXTEND,
		because of gki requirements, enable in
		aarch32.

config AMLOGIC_PIN_LOCKED_FILE
	bool "Amlogic pin locked file"
	depends on AMLOGIC_BREAK_GKI_20
	depends on AMLOGIC_MEMORY_EXTEND
	default n
	help
		If we pin a file in android, the whole daa of this
		file will be loaded to DDR, but most of these data
		may not be used, this caused memory waste.
		delay mark mlocked flags for unevictable pages until
		it has been faulted.

config AMLOGIC_PIN_LOCKED_FILE_V2
	bool "Amlogic pin locked file new version"
	depends on AMLOGIC_BREAK_GKI_20
	depends on AMLOGIC_MEMORY_EXTEND
	default n
	help
		If we pin a file in android, the whole daa of this
		file will be loaded to DDR, but most of these data
		may not be used, this caused memory waste.
		delay mark mlocked flags for unevictable pages until
		it has been faulted.

config AMLOGIC_PCIE_DMA_OPS
	tristate "Amlogic PCIE dma_ops"
	depends on AMLOGIC_MEMORY_EXTEND
	default n
	help
		custom a dma_ops to limit the memory for PCIE device
		operations to a fixed area

config AMLOGIC_FAKE_SMMU
	tristate "Amlogic fake smmu"
	depends on AMLOGIC_PCIE_DMA_OPS
	depends on AMLOGIC_MEMORY_EXTEND
	default n
	help
		Register a fake smmu device to replace ops for 64bit