cpumask: Add CONFIG_CPUMASK_OFFSTACK Currently it can be set if DEBUG_PER_CPU_MAPS, or set specifically by an arch. Signed-off-by: Rusty Russell --- lib/Kconfig | 7 +++++++ 1 file changed, 7 insertions(+) diff -r ef141e54478f lib/Kconfig --- a/lib/Kconfig Thu Nov 20 00:18:23 2008 +1030 +++ b/lib/Kconfig Thu Nov 20 00:19:05 2008 +1030 @@ -157,4 +157,11 @@ config HAVE_LMB boolean +config CPUMASK_OFFSTACK + bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS + help + Use dynamic allocation for cpumask_var_t, instead of putting + them on the stack. This is a bit more expensive, but avoids + stack overflow. + endmenu