CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC (not configurable)

configname: CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC

Linux Kernel Configuration
└─>General architecture-dependent options
└─>ARCH_SUPPORTS_DEBUG_PAGEALLOC
In linux kernel since version 2.6.30 (release Date: 2009-06-09)  
is selected by
CONFIG_DEBUG_PAGEALLOC