Dump the EFI pagetable

configname: CONFIG_EFI_PGT_DUMP

Linux Kernel Configuration
└─>Kernel hacking
└─>Dump the EFI pagetable
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Enable this if you want to dump the EFI page table before
enabling virtual mode. This can be used to debug miscellaneous
issues with the mapping of the EFI runtime regions into that
table.