This option will slow down process creation somewhat.
comment "Page alloc debug is incompatible with Software Suspend on i386"
- depends on DEBUG_KERNEL && SOFTWARE_SUSPEND
+ depends on DEBUG_KERNEL && HIBERNATION
config DEBUG_PAGEALLOC
bool "Debug page memory allocations"
- depends on DEBUG_KERNEL && !SOFTWARE_SUSPEND && !HUGETLBFS
+ depends on DEBUG_KERNEL && !HIBERNATION && !HUGETLBFS
help
Unmap pages from the kernel linear mapping after free_pages().
This results in a large slowdown, but helps to find certain types