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-rw-r--r--kernel/bpf/cpumap.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c
index e42a1bdb7f..8a0bb80fe4 100644
--- a/kernel/bpf/cpumap.c
+++ b/kernel/bpf/cpumap.c
@@ -764,6 +764,16 @@ void __cpu_map_flush(void)
}
}
+#ifdef CONFIG_DEBUG_NET
+bool cpu_map_check_flush(void)
+{
+ if (list_empty(this_cpu_ptr(&cpu_map_flush_list)))
+ return false;
+ __cpu_map_flush();
+ return true;
+}
+#endif
+
static int __init cpu_map_init(void)
{
int cpu;