| menuconfig AMLOGIC_MEMORY_EXTEND |
| bool "AMLOGIC memory extend support" |
| depends on AMLOGIC_DRIVER |
| depends on AMLOGIC_MODIFY |
| default n |
| help |
| Amlogic memory extend is drivers which extend for memory |
| management functions, can be used for memory debug |
| or other features. |
| Select it if sure |
| |
| config AMLOGIC_PAGE_TRACE |
| bool "Amlogic trace for page allocate" |
| depends on AMLOGIC_MEMORY_EXTEND |
| depends on KALLSYMS |
| depends on !NODES_SHIFT |
| default y |
| 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_SLAB_TRACE |
| bool "Amlogic trace for slab usage" |
| depends on SLUB |
| depends on AMLOGIC_PAGE_TRACE |
| default n |
| help |
| Amlogic slab trace will record function address of caller for slab |
| allocate/free(kmalloc-xxxx only). trace information is stored in |
| a rb tree. And can be shown with allocate size information of |
| each caller functions from /proc/slabtrace |
| |
| config AMLOGIC_RAMDUMP |
| bool "Amlogic RAM DUMP support" |
| depends on AMLOGIC_MEMORY_EXTEND |
| depends on PANIC_TIMEOUT != 0 |
| default n |
| help |
| RAM dump support for amlogic platform, when system is rebooted |
| after panic/watch dog reboot, you may need this option to save |
| whole ram to /data/ partition. Which can be used for analyze |
| crash reason. |
| |
| config AMLOGIC_CMA |
| bool "Amlogic CMA change" |
| depends on AMLOGIC_MEMORY_EXTEND |
| depends on CMA |
| default y |
| help |
| Amlogic CMA optimization for cma alloc/free problems |
| Including policy change of CMA usage. It is used to |
| improve CMA stability and speed. |
| Select it if sure |
| |
| config AMLOGIC_KASAN32 |
| bool "Amlogic KASAN support for 32bit kernel" |
| depends on AMLOGIC_MEMORY_EXTEND |
| depends on KASAN |
| depends on !64BIT |
| default y |
| help |
| Amlogic implementation for KASAN on 32bit ARM kernel. |
| Which can help to debug memory of use-after-free, |
| out-of-bounds and other problems. This config will |
| change memory layout. |
| |
| config AMLOGIC_PHYS_OFFSET |
| hex "Physical address of main memory" if MMU |
| depends on AMLOGIC_KASAN32 |
| default 0x00000000 |
| help |
| Please provide the physical address corresponding to the |
| location of main memory in your system. |
| |
| config AMLOGIC_SLUB_DEBUG |
| bool "Amlogic debug for trace all slub objects" |
| depends on AMLOGIC_PAGE_TRACE |
| depends on SLUB |
| default n |
| help |
| This option open trace debug for each slub objects. And will give |
| slub objdect allocator information when detected bad objects |
