1config 64_BIT 2 bool 3 default n 4 5config TOP_ADDR 6 hex 7 default 0xc0000000 if !HOST_2G_2G 8 default 0x80000000 if HOST_2G_2G 9 10config 3_LEVEL_PGTABLES 11 bool "Three-level pagetables" 12 default n 13 help 14 Three-level pagetables will let UML have more than 4G of physical 15 memory. All the memory that can't be mapped directly will be treated 16 as high memory. 17 18config ARCH_HAS_SC_SIGNALS 19 bool 20 default y 21 22config ARCH_REUSE_HOST_VSYSCALL_AREA 23 bool 24 default y 25