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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-26 10:38:21 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-26 10:38:21 +0200 |
| commit | 67102bd31b4e31abb0abbc390381212a2d65db72 (patch) | |
| tree | 904754c940eb87b951cf877f09074a7d28bc2947 /mm/slab_common.c | |
| parent | ad5dbfc123e6ffbbde194e2a4603323e09f741ee (diff) | |
| parent | f76349cf41451c5c42a99f18a9163377e4b364ff (diff) | |
Merge 6.0-rc7 into usb-next
We need the USB fixes in here for other follow-on changes to be able to
be applied successfully.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/slab_common.c')
| -rw-r--r-- | mm/slab_common.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c index 07b948288f84..ccc02573588f 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -475,6 +475,7 @@ void slab_kmem_cache_release(struct kmem_cache *s) void kmem_cache_destroy(struct kmem_cache *s) { int refcnt; + bool rcu_set; if (unlikely(!s) || !kasan_check_byte(s)) return; @@ -482,6 +483,8 @@ void kmem_cache_destroy(struct kmem_cache *s) cpus_read_lock(); mutex_lock(&slab_mutex); + rcu_set = s->flags & SLAB_TYPESAFE_BY_RCU; + refcnt = --s->refcount; if (refcnt) goto out_unlock; @@ -492,7 +495,7 @@ void kmem_cache_destroy(struct kmem_cache *s) out_unlock: mutex_unlock(&slab_mutex); cpus_read_unlock(); - if (!refcnt && !(s->flags & SLAB_TYPESAFE_BY_RCU)) + if (!refcnt && !rcu_set) kmem_cache_release(s); } EXPORT_SYMBOL(kmem_cache_destroy); |