1 files changed, 6 insertions, 5 deletions

diff --git a/samples/livepatch/livepatch-shadow-mod.c b/samples/livepatch/livepatch-shadow-mod.c
index 4aa8a88d3cd6..4d79c6dc055b 100644
--- a/samples/livepatch/livepatch-shadow-mod.c
+++ b/samples/livepatch/livepatch-shadow-mod.c
@@ -96,15 +96,15 @@ MODULE_DESCRIPTION("Buggy module for shadow variable demo");
  * Keep a list of all the dummies so we can clean up any residual ones
  * on module exit
  */
-LIST_HEAD(dummy_list);
-DEFINE_MUTEX(dummy_list_mutex);
+static LIST_HEAD(dummy_list);
+static DEFINE_MUTEX(dummy_list_mutex);
 
 struct dummy {
         struct list_head list;
         unsigned long jiffies_expire;
 };
 
-noinline struct dummy *dummy_alloc(void)
+static __used noinline struct dummy *dummy_alloc(void)
 {
         struct dummy *d;
         void *leak;
@@ -129,7 +129,7 @@ noinline struct dummy *dummy_alloc(void)
         return d;
 }
 
-noinline void dummy_free(struct dummy *d)
+static __used noinline void dummy_free(struct dummy *d)
 {
         pr_info("%s: dummy @ %p, expired = %lx\n",
                 __func__, d, d->jiffies_expire);
@@ -137,7 +137,8 @@ noinline void dummy_free(struct dummy *d)
         kfree(d);
 }
 
-noinline bool dummy_check(struct dummy *d, unsigned long jiffies)
+static __used noinline bool dummy_check(struct dummy *d,
+                                           unsigned long jiffies)
 {
         return time_after(jiffies, d->jiffies_expire);
 }