From c95fdec629c1ae962870085fb6f50b8aaae59945 Mon Sep 17 00:00:00 2001
From: Liu Shixin <liushixin2@huawei.com>
Date: Wed, 21 Jun 2023 10:47:44 +0800
Subject: [PATCH] memcg: fix implicit declaration of memcg_print_bad_task()

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I6NYW4
CVE: NA

--------------------------------

Fix implicit declaration of function 'memcg_print_bad_task'.

Fixes: 9cd6f55e9c33 ("mm: oom: move memcg_print_bad_task() out of mem_cgroup_scan_tasks()")
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
---
 include/linux/memcontrol.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 5b8982e95876..e1c24b0056d0 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -420,6 +420,8 @@ bool memcg_low_priority_scan_tasks(int (*)(struct task_struct *, void *),
 void memcg_print_bad_task(struct oom_control *oc);
 extern int sysctl_memcg_qos_handler(struct ctl_table *table,
 		int write, void __user *buffer, size_t *length, loff_t *ppos);
+#else
+void memcg_print_bad_task(struct oom_control *oc);
 #endif
 
 /*
@@ -1695,6 +1697,10 @@ unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order,
 {
 	return 0;
 }
+
+static inline void memcg_print_bad_task(struct oom_control *oc)
+{
+}
 #endif /* CONFIG_MEMCG */
 
 /* idx can be of type enum memcg_stat_item or node_stat_item */
-- 
GitLab