On Tue, 2015-11-17 at 05:56 -0800, Eric Dumazet wrote:
> There is really little gain from inlining this big function.
> We'll soon make it even bigger in following patches.
I forgot to guard sk_busy_poll() with appropriate #ifdef :
This will be added in v2
diff --git a/net/core/dev.c b/net/core/dev.c
index 21a7d4093fde..c87c8486ea21 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4673,6 +4673,7 @@ static struct napi_struct *napi_by_id(unsigned int
napi_id)
return NULL;
}
+#if defined(CONFIG_NET_RX_BUSY_POLL)
#define BUSY_POLL_BUDGET 8
bool sk_busy_loop(struct sock *sk, int nonblock)
{
@@ -4726,6 +4727,7 @@ out:
return rc;
}
EXPORT_SYMBOL(sk_busy_loop);
+#endif
void napi_hash_add(struct napi_struct *napi)
{
--
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