diff options
| -rw-r--r-- | include/linux/slub_def.h | 4 | ||||
| -rw-r--r-- | mm/slab_common.c | 4 | ||||
| -rw-r--r-- | mm/slub.c | 7 |
3 files changed, 14 insertions, 1 deletions
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index 39fa09bcde23..2038ab531616 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -151,8 +151,12 @@ struct kmem_cache { #ifdef CONFIG_SYSFS #define SLAB_SUPPORTS_SYSFS +void sysfs_slab_unlink(struct kmem_cache *); void sysfs_slab_release(struct kmem_cache *); #else +static inline void sysfs_slab_unlink(struct kmem_cache *s) +{ +} static inline void sysfs_slab_release(struct kmem_cache *s) { } diff --git a/mm/slab_common.c b/mm/slab_common.c index 65212caa1f2a..91d271b90600 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -546,10 +546,14 @@ static int shutdown_cache(struct kmem_cache *s) list_del(&s->list); if (s->flags & SLAB_TYPESAFE_BY_RCU) { +#ifdef SLAB_SUPPORTS_SYSFS + sysfs_slab_unlink(s); +#endif list_add_tail(&s->list, &slab_caches_to_rcu_destroy); schedule_work(&slab_caches_to_rcu_destroy_work); } else { #ifdef SLAB_SUPPORTS_SYSFS + sysfs_slab_unlink(s); sysfs_slab_release(s); #else slab_kmem_cache_release(s); diff --git a/mm/slub.c b/mm/slub.c index 41c01690d116..c38e71cea6d3 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -5660,7 +5660,6 @@ static void sysfs_slab_remove_workfn(struct work_struct *work) kset_unregister(s->memcg_kset); #endif kobject_uevent(&s->kobj, KOBJ_REMOVE); - kobject_del(&s->kobj); out: kobject_put(&s->kobj); } @@ -5745,6 +5744,12 @@ static void sysfs_slab_remove(struct kmem_cache *s) schedule_work(&s->kobj_remove_work); } +void sysfs_slab_unlink(struct kmem_cache *s) +{ + if (slab_state >= FULL) + kobject_del(&s->kobj); +} + void sysfs_slab_release(struct kmem_cache *s) { if (slab_state >= FULL) |