linux/arch/s390/Kconfig.debug
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   1menu "Kernel hacking"
   2
   3config TRACE_IRQFLAGS_SUPPORT
   4        bool
   5        default y
   6
   7source "lib/Kconfig.debug"
   8
   9config DEBUG_PAGEALLOC
  10        bool "Debug page memory allocations"
  11        depends on DEBUG_KERNEL
  12        help
  13          Unmap pages from the kernel linear mapping after free_pages().
  14          This results in a slowdown, but helps to find certain types of
  15          memory corruptions.
  16
  17endmenu
  18