From aab46da0520af9c99b7802cebe4f14a81ff39415 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Sat, 13 Dec 2008 21:20:27 +1030 Subject: [PATCH] cpumask: Add CONFIG_CPUMASK_OFFSTACK Impact: Add config option to enable code in cpumask.h 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 --git a/lib/Kconfig b/lib/Kconfig index 85cf7ea978aa..7823f8342abf 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -157,4 +157,11 @@ config CHECK_SIGNATURE 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 -- GitLab