2 files changed, 3 insertions, 4 deletions

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 140b66a874c1..819ac51202c0 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -505,8 +505,7 @@ config DEBUG_VM_RB
         bool "Debug VM red-black trees"
         depends on DEBUG_VM
         help
-          Enable this to turn on more extended checks in the virtual-memory
-          system that may impact performance.
+          Enable VM red-black tree debugging information and extra validations.
 
           If unsure, say N.
 
diff --git a/lib/dump_stack.c b/lib/dump_stack.c
index f23b63f0a1c3..6745c6230db3 100644
--- a/lib/dump_stack.c
+++ b/lib/dump_stack.c
@@ -23,7 +23,7 @@ static void __dump_stack(void)
 #ifdef CONFIG_SMP
 static atomic_t dump_lock = ATOMIC_INIT(-1);
 
-asmlinkage void dump_stack(void)
+asmlinkage __visible void dump_stack(void)
 {
         int was_locked;
         int old;
@@ -55,7 +55,7 @@ retry:
         preempt_enable();
 }
 #else
-asmlinkage void dump_stack(void)
+asmlinkage __visible void dump_stack(void)
 {
         __dump_stack();
 }