1 files changed, 12 insertions, 3 deletions

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index d57b12f59c8c..30df5865ecbe 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -50,6 +50,14 @@ config MAGIC_SYSRQ
           keys are documented in <file:Documentation/sysrq.txt>. Don't say Y
           unless you really know what this hack does.
 
+config STRIP_ASM_SYMS
+        bool "Strip assembler-generated symbols during link"
+        default n
+        help
+          Strip internal assembler-generated symbols during a link (symbols
+          that look like '.Lxxx') so they don't pollute the output of
+          get_wchan() and suchlike.
+
 config UNUSED_SYMBOLS
         bool "Enable unused/obsolete exported symbols"
         default y if X86
@@ -338,8 +346,9 @@ config SLUB_STATS
 
 config DEBUG_KMEMLEAK
         bool "Kernel memory leak detector"
-        depends on DEBUG_KERNEL && EXPERIMENTAL && (X86 || ARM || PPC) && \
-                !MEMORY_HOTPLUG
+        depends on DEBUG_KERNEL && EXPERIMENTAL && !MEMORY_HOTPLUG && \
+                (X86 || ARM || PPC || S390)
+
         select DEBUG_FS if SYSFS
         select STACKTRACE if STACKTRACE_SUPPORT
         select KALLSYMS
@@ -362,7 +371,7 @@ config DEBUG_KMEMLEAK
 config DEBUG_KMEMLEAK_EARLY_LOG_SIZE
         int "Maximum kmemleak early log entries"
         depends on DEBUG_KMEMLEAK
-        range 200 2000
+        range 200 40000
         default 400
         help
           Kmemleak must track all the memory allocations to avoid