This gives DISCONTIGMEM a bit more help text to explain what it does, not just when to choose it. Signed-off-by: Dave Hansen --- memhotplug-dave/mm/Kconfig | 10 ++++++++++ 1 files changed, 10 insertions(+) diff -puN mm/Kconfig~A2-mm-Kconfig-DISCONTIG-help-text mm/Kconfig --- memhotplug/mm/Kconfig~A2-mm-Kconfig-DISCONTIG-help-text 2005-04-13 14:20:05.000000000 -0700 +++ memhotplug-dave/mm/Kconfig 2005-04-13 14:20:05.000000000 -0700 @@ -23,6 +23,16 @@ config DISCONTIGMEM_MANUAL bool "Discontigious Memory" depends on ARCH_DISCONTIGMEM_ENABLE help + This option provides enhanced support for discontiguous + memory systems, over FLATMEM. These systems have holes + in their physical address spaces, and this option provides + more efficient handling of these holes. However, the vast + majority of hardware has quite flat address spaces, and + can have degraded performance from extra overhead that + this option imposes. + + Many NUMA configurations will have this as the only option. + If unsure, choose "Flat Memory" over this option. endchoice _