1 files changed, 8 insertions, 0 deletions

diff --git a/arch/s390/Kconfig.debug b/arch/s390/Kconfig.debug
index 2283933a9a93..4599fa06bd82 100644
--- a/arch/s390/Kconfig.debug
+++ b/arch/s390/Kconfig.debug
@@ -6,4 +6,12 @@ config TRACE_IRQFLAGS_SUPPORT
 
 source "lib/Kconfig.debug"
 
+config DEBUG_PAGEALLOC
+        bool "Debug page memory allocations"
+        depends on DEBUG_KERNEL
+        help
+          Unmap pages from the kernel linear mapping after free_pages().
+          This results in a slowdown, but helps to find certain types of
+          memory corruptions.
+
 endmenu