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-rw-r--r--net/core/flow.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/core/flow.c b/net/core/flow.c
index 8ae42de9c79..e318c7e9804 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -358,6 +358,18 @@ void flow_cache_flush(void)
put_online_cpus();
}
+static void flow_cache_flush_task(struct work_struct *work)
+{
+ flow_cache_flush();
+}
+
+static DECLARE_WORK(flow_cache_flush_work, flow_cache_flush_task);
+
+void flow_cache_flush_deferred(void)
+{
+ schedule_work(&flow_cache_flush_work);
+}
+
static int __cpuinit flow_cache_cpu_prepare(struct flow_cache *fc, int cpu)
{
struct flow_cache_percpu *fcp = per_cpu_ptr(fc->percpu, cpu);