mirror of
https://github.com/hardkernel/kernel_common_drivers.git
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biao.sun
5ed6f75a04
PD#SWPL-224608 Problem: sync vmap_stack change from kernel5.15 Solution: sync vmap_stack from kernel5.15 Verify: sc2 Change-Id: I5da44a4f36faac497e99ccd01946856874b1111c Signed-off-by: biao.sun <biao.sun@amlogic.com>
262 lines
7.0 KiB
Plaintext
262 lines
7.0 KiB
Plaintext
# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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menuconfig AMLOGIC_MEMORY_EXTEND
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bool "AMLOGIC memory extend support"
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depends on AMLOGIC_DRIVER
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depends on AMLOGIC_BREAK_GKI_20
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select SWIOTLB if !AMLOGIC_ZAPPER_CUT
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select DMA_RESTRICTED_POOL if !AMLOGIC_ZAPPER_CUT
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default n
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help
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Amlogic memory extend is drivers which extend for memory management
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functions, can be used for memory debug or other features.
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config AMLOGIC_MIX_ZRAM
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tristate "Amlogic mixed zram"
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depends on AMLOGIC_MEMORY_EXTEND
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depends on CRYPTO_ZSTD
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depends on CRYPTO_LZ4
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default n
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help
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Mix compress algorithm of zram. This can get speed benifit of lz4 and
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compress ratio of zstd.
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config AMLOGIC_PAGE_TRACE
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tristate "Amlogic trace for page allocate"
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depends on KALLSYMS
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depends on !NUMA_BALANCING
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default n
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help
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Amlogic page trace will record function address of caller for page
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allocate/free, according with allocate flags and order. trace
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information is stored in a pre-allocated memory block. And can be shown
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with allocate page count information of each caller functions from
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/proc/pagetrace
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config AMLOGIC_PAGE_TRACE_INLINE
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bool "page trace inline into page flags"
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depends on AMLOGIC_BREAK_GKI
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depends on AMLOGIC_PAGE_TRACE
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depends on 64BIT
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depends on !KASAN_HW_TAGS && !KASAN_SW_TAGS
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default n
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help
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This feature enable to inline page trace into high 32bits of
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page->flags on 64 bit kernel. Because other total page flags
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are less than 32bit, so It can help to save memory when
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use page trace. But it conflict with KASAN tags, so when kasan
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tags enabled, this feature will be auto disabled
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config AMLOGIC_CMA
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tristate "Amlogic CMA change"
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depends on CMA
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default n
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help
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Amlogic CMA optimization for cma alloc/free problems
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Including policy change of CMA usage
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config AMLOGIC_NO_CMA
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tristate "Amlogic CMA change, add no cma flag"
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depends on CMA
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depends on AMLOGIC_CMA
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default n
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help
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Amlogic CMA optimization for cma alloc/free problems
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Including policy change of CMA usage, add no cma flag
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to avoid page not in cma pool.
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config AMLOGIC_CMA_INFO
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tristate "Amlogic CMA change, add debug information"
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depends on CMA
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depends on AMLOGIC_CMA
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default n
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help
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Amlogic CMA optimization for cma alloc/free problems
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Including policy change of CMA usage, add more debug
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information in cma alloc/free flow.
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config AMLOGIC_MEM_DEBUG
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tristate "Amlogic debug mem"
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default n
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help
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Memory debug which hacking to kernel mm source.
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config AMLOGIC_STACKPROTECTOR
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bool "Amlogic stack protector"
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depends on AMLOGIC_MEMORY_EXTEND
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default n
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help
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This config is used to disable CONFIG_STACKPROTECTOR
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if enabled AMLOGIC_VMAP. CONFIG_STACKPROTECTOR have
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bad effect to save stack usage.
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config AMLOGIC_PTR_AUTH_KERNEL
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bool "Amlogic arm64 ptr auth kernel"
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depends on AMLOGIC_MEMORY_EXTEND
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default n
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help
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This config is used to disable CONFIG_ARM64_PTR_AUTH_KERNEL.
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if enabled AMLOGIC_VMAP, CONFIG_ARM64_PTR_AUTH_KERNEL not
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allow to modify stack pointer.
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config AMLOGIC_VMAP
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bool "Amlogic kernel stack"
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depends on AMLOGIC_MEMORY_EXTEND
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depends on AMLOGIC_BREAK_GKI
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depends on AMLOGIC_STACKPROTECTOR
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depends on !AMLOGIC_ARM_KASAN
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depends on AMLOGIC_PTR_AUTH_KERNEL || ARM
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default n
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help
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This config is used to enable amlogic kernel stack
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usage optimization with vmalloc. It depends on
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AMLOGIC_MEMORY_EXTEND. This config only opened
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on 64 bit platform.
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config AMLOGIC_VMAP_CACHE_PAGE_ORDER
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int "Amlogic kernel stack cache page order"
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depends on AMLOGIC_VMAP
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default "8"
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help
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This config is used to set vmap stack cache
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page order, default order is 8, some projects
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can be modified appropriately.
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config AMLOGIC_USER_FAULT
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tristate "Amlogic user fault helper"
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default n
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help
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show more information when catch user fault. Including:
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memory around all registers
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maps with pc/lr
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pfn for all virtual address of registers
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config AMLOGIC_ZSTD
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tristate "Amlogic zstd optimize"
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depends on AMLOGIC_BREAK_GKI_20
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depends on AMLOGIC_MEMORY_EXTEND
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default n
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help
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This config is an optimization of zstd,
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in zram, to improve the compression ratio
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and save memory
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config AMLOGIC_MEMORY_STAT
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bool "Amlogic stat memory info"
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depends on AMLOGIC_BREAK_GKI
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depends on AMLOGIC_MEMORY_EXTEND
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default n
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help
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This config use to stat memory info,
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include count free pages in migrate
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list, print more memory information.
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config AMLOGIC_CMA_DIS
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bool "Amlogic CMA disable change fot gki"
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depends on AMLOGIC_MEMORY_EXTEND
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depends on CMA
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default n
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help
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Amlogic disable CMA optimization for gki needs.
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config AMLOGIC_MEMORY_OPT
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bool "Amlogic memory optimization support"
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depends on AMLOGIC_MEMORY_EXTEND
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default n
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help
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Amlogic memory optimization support,
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distinguish from AMLOGIC_MEMORY_EXTEND,
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because of gki requirements, enable in
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aarch32.
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config AMLOGIC_PIN_LOCKED_FILE
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bool "Amlogic pin locked file"
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depends on AMLOGIC_BREAK_GKI
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depends on AMLOGIC_MEMORY_EXTEND
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default n
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help
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If we pin a file in android, the whole daa of this
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file will be loaded to DDR, but most of these data
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may not be used, this caused memory waste.
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delay mark mlocked flags for unevictable pages until
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it has been faulted.
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config AMLOGIC_PIN_LOCKED_FILE_V2
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bool "Amlogic pin locked file new version"
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depends on AMLOGIC_BREAK_GKI
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depends on AMLOGIC_MEMORY_EXTEND
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default n
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help
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If we pin a file in android, the whole daa of this
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file will be loaded to DDR, but most of these data
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may not be used, this caused memory waste.
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delay mark mlocked flags for unevictable pages until
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it has been faulted.
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config AMLOGIC_PCIE_DMA_OPS
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tristate "Amlogic PCIE dma_ops"
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depends on AMLOGIC_MEMORY_EXTEND
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select DMA_DIRECT_REMAP if AMLOGIC_BREAK_GKI
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select SWIOTLB if AMLOGIC_BREAK_GKI
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default n
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help
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custom a dma_ops to limit the memory for PCIE device
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operations to a fixed area
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config AMLOGIC_FAKE_SMMU
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tristate "Amlogic fake smmu"
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depends on IOMMU_SUPPORT
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default n
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help
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Register a fake smmu device to replace ops for 64bit
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config AMLOGIC_ARM_KASAN
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bool "support arm kasan"
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depends on KASAN
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depends on ARM
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default y
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help
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Support enable kasan on arm32
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config AMLOGIC_DTB_NODE_OPT
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bool "remove dtb node optimization"
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default n
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help
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some project to optimize the slab size, remove the
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dtb node under /sys/firmware/devicetree directory.
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config AMLOGIC_KALLSYM_OPT
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bool "kallsyms optimization"
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default n
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help
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some project to optimize the kallsyms.
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config AMLOGIC_PRINTK_OPT
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bool "printk optimization"
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default n
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help
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some project to optimize the printk, reduce the
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log buffer size.
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config AMLOGIC_KHEADERS_OPT
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bool "kheaders optimization"
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default n
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help
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some project to remove the kheaders, reduce the
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kernel image size.
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config AMLOGIC_MEMORY_SLAB_LARGE
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bool "large kmalloc optimization"
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default n
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help
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kmalloc defaults to order alignment, change it
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to page alignment to reduce memory usage.
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config AMLOGIC_SWAPD_OPT
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bool "filecache reclaim optimization"
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default n
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help
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for filecache with many references, do not
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recycle them to reduce memory thrashing.
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