| 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. |
| |
| config AMLOGIC_PAGE_TRACE |
| bool "Amlogic trace for page allocate" |
| depends on AMLOGIC_MEMORY_EXTEND |
| 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_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_KDUMP |
| bool "Amlogic KDUMP support" |
| depends on KEXEC_CORE |
| default n |
| help |
| kdump support for amlogic android 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 n |
| help |
| Amlogic CMA optimization for cma alloc/free problems |
| Including policy change of CMA usage |
| |
| config AMLOGIC_VMAP |
| bool "Amlogic kernel stack" |
| depends on AMLOGIC_MEMORY_EXTEND |
| select 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_VMALLOC_SHRINKER |
| bool "Amlogic vmalloc shrinker" |
| depends on AMLOGIC_MEMORY_EXTEND |
| depends on 64BIT |
| default n |
| help |
| This config is used to enable amlogic vmalloc shrinker |
| function, it will compress/decompress vmalloc memory to zram |
| in order to save memory. It depends on AMLOGIC_MEMORY_EXTEND. |
| |
| 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_WATCHPOINT |
| tristate "Amlogic point driver" |
| depends on HAVE_HW_BREAKPOINT |
| depends on AMLOGIC_MEMORY_EXTEND |
| default n |
| help |
| This driver export a debug sysfs in order |
| to using watch point function on ARMv8. |
| say y to enable Amlogic watch point driver |
| |
| config AMLOGIC_MEM_DEBUG |
| bool "Amlogic debug mem" |
| depends on AMLOGIC_DEBUG |
| default n |
| help |
| Memory debug which hacking to kernel mm source. |
| Enable if doubt. |
