choice prompt "Memory model" default DISCONTIGMEM if ARCH_DISCONTIGMEM_DEFAULT default FLATMEM config FLATMEM bool "Flat Memory" depends on !ARCH_DISCONTIGMEM_ENABLE || ARCH_FLATMEM_ENABLE help This option allows you to change some of the ways that Linux manages its memory internally. Most users will only have one option here: FLATMEM. This is normal and a correct option. If unsure, choose this option over any other. config DISCONTIGMEM bool "Discontigious Memory" depends on ARCH_DISCONTIGMEM_ENABLE help If unsure, choose "Flat Memory" over this option. endchoice # # Both the NUMA code and DISCONTIGMEM use arrays of pg_data_t's # to represent different areas of memory. This variable allows # those dependencies to exist individually. # config NEED_MULTIPLE_NODES def_bool y depends on DISCONTIGMEM || NUMA