diff mbox series

PM: EM: use kfree_rcu to simplify the code

Message ID 20250218082021.2766-1-lirongqing@baidu.com
State New
Headers show
Series PM: EM: use kfree_rcu to simplify the code | expand

Commit Message

lirongqing Feb. 18, 2025, 8:20 a.m. UTC 
From: Li RongQing <lirongqing@baidu.com>

The callback function of call_rcu() just calls kfree(), so use
kfree_rcu() instead of call_rcu() + callback function.

Signed-off-by: Li RongQing <lirongqing@baidu.com>
---
 kernel/power/energy_model.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)
diff mbox series

Patch

diff --git a/kernel/power/energy_model.c b/kernel/power/energy_model.c
index 3874f0e..72655ef 100644
--- a/kernel/power/energy_model.c
+++ b/kernel/power/energy_model.c
@@ -161,14 +161,6 @@  static void em_debug_create_pd(struct device *dev) {}
 static void em_debug_remove_pd(struct device *dev) {}
 #endif
 
-static void em_destroy_table_rcu(struct rcu_head *rp)
-{
-	struct em_perf_table __rcu *table;
-
-	table = container_of(rp, struct em_perf_table, rcu);
-	kfree(table);
-}
-
 static void em_release_table_kref(struct kref *kref)
 {
 	struct em_perf_table __rcu *table;
@@ -176,7 +168,7 @@  static void em_release_table_kref(struct kref *kref)
 	/* It was the last owner of this table so we can free */
 	table = container_of(kref, struct em_perf_table, kref);
 
-	call_rcu(&table->rcu, em_destroy_table_rcu);
+	kfree_rcu(table, rcu);
 }
 
 /**