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-rw-r--r--lib/Kconfig.kasan9
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
index befb127507c0..d0bad1bd9a2b 100644
--- a/lib/Kconfig.kasan
+++ b/lib/Kconfig.kasan
@@ -57,6 +57,15 @@ config KASAN_INLINE
endchoice
+config KASAN_S390_4_LEVEL_PAGING
+ bool "KASan: use 4-level paging"
+ depends on KASAN && S390
+ help
+ Compiling the kernel with KASan disables automatic 3-level vs
+ 4-level paging selection. 3-level paging is used by default (up
+ to 3TB of RAM with KASan enabled). This options allows to force
+ 4-level paging instead.
+
config TEST_KASAN
tristate "Module for testing kasan for bug detection"
depends on m && KASAN