On Tue, 25 Jun 2019 10:31:37 +0800 YueHaibing <yuehaibing@xxxxxxxxxx> wrote: > Fix sparse warning: > > net/core/xdp.c:88:6: warning: > symbol '__mem_id_disconnect' was not declared. Should it be static? I didn't declare it static as I didn't want it to get inlined. As during development I was using kprobes to inspect this function. In the end I added a tracepoint in this function as kprobes was not enough to capture the state needed. So, I guess we can declare it static. Acked-by: Jesper Dangaard Brouer <brouer@xxxxxxxxxx> > Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> > Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> > --- > net/core/xdp.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/net/core/xdp.c b/net/core/xdp.c > index b29d7b5..829377c 100644 > --- a/net/core/xdp.c > +++ b/net/core/xdp.c > @@ -85,7 +85,7 @@ static void __xdp_mem_allocator_rcu_free(struct rcu_head *rcu) > kfree(xa); > } > > -bool __mem_id_disconnect(int id, bool force) > +static bool __mem_id_disconnect(int id, bool force) > { > struct xdp_mem_allocator *xa; > bool safe_to_remove = true; -- Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat LinkedIn: http://www.linkedin.com/in/brouer