Added hacky mapping tracking in x86_64 page_mappings_arch.c
Added hacky mapping tracking in x86_64 page_mappings_arch.c

8l/barrelfish,utsav2601/cmpe295A,kishoredbn/barrelfish,linusyang/barrelfish,8l/barrelfish,utsav2601/cmpe295A,8l/barrelfish,8l/barrelfish,utsav2601/cmpe295A,mslovy/barrelfish,linusyang/barrelfish,kishoredbn/barrelfish,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,mslovy/barrelfish,utsav2601/cmpe295A,linusyang/barrelfish,BarrelfishOS/barrelfish,linusyang/barrelfish,mslovy/barrelfish,mslovy/barrelfish,BarrelfishOS/barrelfish,8l/barrelfish,utsav2601/cmpe295A,kishoredbn/barrelfish,kishoredbn/barrelfish,mslovy/barrelfish,BarrelfishOS/barrelfish,utsav2601/cmpe295A,linusyang/barrelfish,kishoredbn/barrelfish,BarrelfishOS/barrelfish,8l/barrelfish,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,kishoredbn/barrelfish,mslovy/barrelfish