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authorRusty Russell <rusty@rustcorp.com.au>2008-12-13 21:20:27 +1030
committerRusty Russell <rusty@rustcorp.com.au>2008-12-13 21:20:27 +1030
commitaab46da0520af9c99b7802cebe4f14a81ff39415 (patch)
treef48ba155e9accb165f03c31b7ed9eed9b057b59e /lib/Kconfig
parent320ab2b0b1e08e3805a3e1084a2f0eb1938d5d67 (diff)
downloadlinux-aab46da0520af9c99b7802cebe4f14a81ff39415.tar.gz
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 <rusty@rustcorp.com.au>
Diffstat (limited to 'lib/Kconfig')
-rw-r--r--lib/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index 85cf7ea978a..7823f8342ab 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.
+
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