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posix-timers: Remove SLAB_PANIC from kmem cache

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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: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://lore.kernel.org/all/20250308155623.829215801@linutronix.de
This commit is contained in:
Thomas Gleixner 2025-03-08 17:48:26 +01:00
parent 4c5cd058be
commit f6d0c3d2eb
1 changed files with 7 additions and 4 deletions
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11
kernel/time/posix-timers.c
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@ -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;