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authorPaul E. McKenney <paulmck@linux.ibm.com>2018-11-07 06:24:33 +0300
committerPaul E. McKenney <paulmck@linux.ibm.com>2018-11-27 20:21:45 +0300
commit6564a25e6c185e65ca3148ed6e18f80882f6798f (patch)
tree6059903229020ea7eea1f048b22ae3dbd44a0024 /mm/slab_common.c
parent36bd1a8e91c66e9def12958547548aa549de9cbf (diff)
downloadlinux-6564a25e6c185e65ca3148ed6e18f80882f6798f.tar.xz
slab: Replace synchronize_sched() with synchronize_rcu()
Now that synchronize_rcu() waits for preempt-disable regions of code as well as RCU read-side critical sections, synchronize_sched() can be replaced by synchronize_rcu(). This commit therefore makes this change. Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: <linux-mm@kvack.org>
Diffstat (limited to 'mm/slab_common.c')
-rw-r--r--mm/slab_common.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 7eb8dc136c1c..9c11e8a937d2 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -724,7 +724,7 @@ void slab_deactivate_memcg_cache_rcu_sched(struct kmem_cache *s,
css_get(&s->memcg_params.memcg->css);
s->memcg_params.deact_fn = deact_fn;
- call_rcu_sched(&s->memcg_params.deact_rcu_head, kmemcg_deactivate_rcufn);
+ call_rcu(&s->memcg_params.deact_rcu_head, kmemcg_deactivate_rcufn);
}
void memcg_deactivate_kmem_caches(struct mem_cgroup *memcg)
@@ -839,11 +839,11 @@ static void flush_memcg_workqueue(struct kmem_cache *s)
mutex_unlock(&slab_mutex);
/*
- * SLUB deactivates the kmem_caches through call_rcu_sched. Make
+ * SLUB deactivates the kmem_caches through call_rcu. Make
* sure all registered rcu callbacks have been invoked.
*/
if (IS_ENABLED(CONFIG_SLUB))
- rcu_barrier_sched();
+ rcu_barrier();
/*
* SLAB and SLUB create memcg kmem_caches through workqueue and SLUB