summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--mm/slab_common.c2
-rw-r--r--mm/slub.c1
2 files changed, 3 insertions, 0 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c
index d5a70a831a2a..8b661fff5eed 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -2110,7 +2110,9 @@ EXPORT_SYMBOL_GPL(kvfree_rcu_barrier);
void kvfree_rcu_barrier_on_cache(struct kmem_cache *s)
{
if (cache_has_sheaves(s)) {
+ cpus_read_lock();
flush_rcu_sheaves_on_cache(s);
+ cpus_read_unlock();
rcu_barrier();
}
diff --git a/mm/slub.c b/mm/slub.c
index 0baa906f39ab..9ad80b7f601a 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -4024,6 +4024,7 @@ void flush_rcu_sheaves_on_cache(struct kmem_cache *s)
struct slub_flush_work *sfw;
unsigned int cpu;
+ lockdep_assert_cpus_held();
mutex_lock(&flush_lock);
for_each_online_cpu(cpu) {