The following commit has been merged into the timers/core branch of tip:
Commit-ID: 2e529e637cef39057d9cf199a1ecb915d97ffcd9
Gitweb: https://git.kernel.org/tip/2e529e637cef39057d9cf199a1ecb915d97ffcd9
Author: Julia Lawall <Julia.Lawall@xxxxxxxx>
AuthorDate: Sun, 13 Oct 2024 22:16:58 +02:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Thu, 24 Oct 2024 11:22:54 +02:00
posix-timers: Replace call_rcu() by kfree_rcu() for simple kmem_cache_free() callback
Since SLOB was removed and since commit 6c6c47b063b5 ("mm, slab: call
kvfree_rcu_barrier() from kmem_cache_destroy()"), it is not longer
necessary to use call_rcu() when the callback only performs
kmem_cache_free(). Use kfree_rcu() directly.
The changes were made using Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
Link: https://lore.kernel.org/all/20241013201704.49576-12-Julia.Lawall@xxxxxxxx
---
kernel/time/posix-timers.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
index 4576aae..fc40dac 100644
--- a/kernel/time/posix-timers.c
+++ b/kernel/time/posix-timers.c
@@ -413,18 +413,11 @@ static struct k_itimer * alloc_posix_timer(void)
return tmr;
}
-static void k_itimer_rcu_free(struct rcu_head *head)
-{
- struct k_itimer *tmr = container_of(head, struct k_itimer, rcu);
-
- kmem_cache_free(posix_timers_cache, tmr);
-}
-
static void posix_timer_free(struct k_itimer *tmr)
{
put_pid(tmr->it_pid);
sigqueue_free(tmr->sigq);
- call_rcu(&tmr->rcu, k_itimer_rcu_free);
+ kfree_rcu(tmr, rcu);
}
static void posix_timer_unhash_and_free(struct k_itimer *tmr)
|