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-rw-r--r--include/linux/slub_def.h4
-rw-r--r--mm/slab_common.c4
-rw-r--r--mm/slub.c7
3 files changed, 14 insertions, 1 deletions
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 09fa2c6f0e68..3a1a1dbc6f49 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -155,8 +155,12 @@ 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 890b1f04a03a..2296caf87bfb 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -567,10 +567,14 @@ 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 a3b8467c14af..51258eff4178 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -5667,7 +5667,6 @@ 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);
}
@@ -5752,6 +5751,12 @@ 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)