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-rw-r--r--lib/rhashtable.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/rhashtable.c b/lib/rhashtable.c
index e55bbc84c449..36fb0910bec2 100644
--- a/lib/rhashtable.c
+++ b/lib/rhashtable.c
@@ -141,6 +141,11 @@ static void bucket_table_free(const struct bucket_table *tbl)
kvfree(tbl);
}
+static void bucket_table_free_rcu(struct rcu_head *head)
+{
+ bucket_table_free(container_of(head, struct bucket_table, rcu));
+}
+
static struct bucket_table *bucket_table_alloc(struct rhashtable *ht,
size_t nbuckets)
{
@@ -288,9 +293,7 @@ static void rhashtable_rehash(struct rhashtable *ht,
* table, and thus no references to the old table will
* remain.
*/
- synchronize_rcu();
-
- bucket_table_free(old_tbl);
+ call_rcu(&old_tbl->rcu, bucket_table_free_rcu);
}
/**