[ARM] CONFIG_DEBUG_STACK_USAGE

In early 2.6 days stack utilization instrumentation was made
configurable. Seems that arm misses the DEBUG_STACK_USAGE option.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 18101f5f5f249b0377c1fe4299c9094f6db16af7..192ee01a9ba20b00fef403afa3ffb07d04ec0d19 100644 (file)
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -43,6 +43,12 @@ config DEBUG_ERRORS
          you are concerned with the code size or don't want to see these
          messages.
 
+config DEBUG_STACK_USAGE
+       bool "Enable stack utilization instrumentation"
+       depends on DEBUG_KERNEL
+       help
+         Enables the display of the minimum amount of free stack which each
+         task has ever had available in the sysrq-T output.
 
 # These options are only for real kernel hackers who want to get their hands dirty.
 config DEBUG_LL