##
physical virtual value
address address
parent
0x2220000 0x10000 0x12345678
0x2220008 0x10008 0x10000
child
0x4440000 0x10000 0x12345678
0x4440008 0x10008 0x10000
##
##
parent
0x2220000 0x10000 0x12345678
0x2220008 0x10008 0x10000
child
0x4440000 0x10000 0xdeadbeef
0x4440008 0x10008 0x10000