diff --git a/include/linux/oom.h b/include/linux/oom.h
index f008e23d9b41..1f1aebf17001 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -109,6 +109,7 @@ extern int unregister_oom_notifier(struct notifier_block *nb);
 
 extern bool oom_killer_disable(signed long timeout);
 extern void oom_killer_enable(void);
+extern bool __oom_reap_task_mm(struct mm_struct *mm);
 
 extern struct task_struct *find_lock_task_mm(struct task_struct *p);
 
diff --git a/kernel/signal.c b/kernel/signal.c
index a55cc27959e7..f7a4cfbe24ad 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1312,6 +1312,7 @@ int do_send_sig_info(int sig, struct kernel_siginfo *info, struct task_struct *p
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(do_send_sig_info);
 
 enum sig_handler {
 	HANDLER_CURRENT, /* If reachable use the current handler */
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 6bb096462170..7a9e1c7f636c 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -511,7 +511,7 @@ static DECLARE_WAIT_QUEUE_HEAD(oom_reaper_wait);
 static struct task_struct *oom_reaper_list;
 static DEFINE_SPINLOCK(oom_reaper_lock);
 
-static bool __oom_reap_task_mm(struct mm_struct *mm)
+bool __oom_reap_task_mm(struct mm_struct *mm)
 {
 	struct vm_area_struct *vma;
 	bool ret = true;
@@ -560,6 +560,7 @@ static bool __oom_reap_task_mm(struct mm_struct *mm)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(__oom_reap_task_mm);
 
 /*
  * Reaps the address space of the give task.