1 files changed, 9 insertions, 0 deletions

diff --git a/arch/um/Kconfig.debug b/arch/um/Kconfig.debug
index 09c1aca6339f..c86f5eb29fd5 100644
--- a/arch/um/Kconfig.debug
+++ b/arch/um/Kconfig.debug
@@ -47,4 +47,13 @@ config GCOV
         If you're involved in UML kernel development and want to use gcov,
         say Y.  If you're unsure, say N.
 
+config DEBUG_STACK_USAGE
+        bool "Stack utilization instrumentation"
+        default N
+        help
+          Track the maximum kernel stack usage - this will look at each
+          kernel stack at process exit and log it if it's the deepest
+          stack seen so far.
+
+          This option will slow down process creation and destruction somewhat.
 endmenu