Debug page memory allocations
configname: CONFIG_DEBUG_PAGEALLOC
Linux Kernel Configuration
└─>Debug page memory allocations
In linux kernel since version 2.6.12
Unmap pages from the kernel linear mapping after free_pages().
This results in a large slowdown, but helps to find certain types
of memory corruption.
This results in a large slowdown, but helps to find certain types
of memory corruption.
depends
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOCCONFIG_DEBUG_KERNEL
NOT CONFIG_KMEMCHECK
NOT CONFIG_HIBERNATION or NOT CONFIG_PPC
NOT CONFIG_SPARC