Commit f6d0c3d2 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

posix-timers: Remove SLAB_PANIC from kmem cache 



There is no need to panic when the posix-timer kmem_cache can't be
created. timer_create() will fail with -ENOMEM and that's it.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarFrederic Weisbecker <frederic@kernel.org>
Link: https://lore.kernel.org/all/20250308155623.829215801@linutronix.de
parent 4c5cd058

kernel/time/posix-timers.c

+7 −4
Original line number Diff line number Diff line
@@ -243,9 +243,8 @@ static int posix_get_hrtimer_res(clockid_t which_clock, struct timespec64 *tp) 


static __init int init_posix_timers(void)

{

	posix_timers_cache = kmem_cache_create("posix_timers_cache",

					sizeof(struct k_itimer), 0,

					SLAB_PANIC | SLAB_ACCOUNT, NULL);

	posix_timers_cache = kmem_cache_create("posix_timers_cache", sizeof(struct k_itimer), 0,

					       SLAB_ACCOUNT, NULL);

	return 0;

}

__initcall(init_posix_timers);
@@ -371,8 +370,12 @@ static struct pid *good_sigevent(sigevent_t * event) 


static struct k_itimer *alloc_posix_timer(void)

{

	struct k_itimer *tmr = kmem_cache_zalloc(posix_timers_cache, GFP_KERNEL);

	struct k_itimer *tmr;



	if (unlikely(!posix_timers_cache))

		return NULL;



	tmr = kmem_cache_zalloc(posix_timers_cache, GFP_KERNEL);

	if (!tmr)

		return tmr;