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PM: EM: use kfree_rcu() to simplify the code

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[ Upstream commit 1618f635bdf56f3ac158171114e9bf18db234cbf ]

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>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://patch.msgid.link/20250218082021.2766-1-lirongqing@baidu.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Stable-dep-of: 3ee7be9e10dd ("PM: EM: Address RCU-related sparse warnings")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Li RongQing
2025-02-18 16:20:21 +08:00
committed by Greg Kroah-Hartman
parent 27ce35d80a
commit db3b3964af
1 changed files with 1 additions and 9 deletions
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kernel/power/energy_model.c
+1 -9
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@@ -161,14 +161,6 @@ static void em_debug_create_pd(struct device *dev) {}
static void em_debug_remove_pd(struct device *dev) {} static void em_debug_remove_pd(struct device *dev) {}
#endif #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) static void em_release_table_kref(struct kref *kref)
{ {
struct em_perf_table __rcu *table; 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 */ /* It was the last owner of this table so we can free */
table = container_of(kref, struct em_perf_table, kref); table = container_of(kref, struct em_perf_table, kref);
call_rcu(&table->rcu, em_destroy_table_rcu); kfree_rcu(table, rcu);
} }
/** /**