[PATCH] merge dst_discard in & out into one, this decrements the vmlinux image by 21 bytes under i386 arch.

[rae l]

From: Denis Cheng

thus the definition of dst_discard_in and dst_discard_out is the same,
we can define a dst_discard function and map the _in and _out to it,
this can reduce space in vmlinux.

Signed-off-by: Denis Cheng <crquan@xxxxxxxxx>
---

diff --git a/net/core/dst.c b/net/core/dst.c
index 764bccb..daa0439 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -111,17 +111,14 @@ out:
       spin_unlock(&dst_lock);
}

-static int dst_discard_in(struct sk_buff *skb)
+static int dst_discard(struct sk_buff *skb)
{
       kfree_skb(skb);
       return 0;
}

-static int dst_discard_out(struct sk_buff *skb)
-{
-       kfree_skb(skb);
-       return 0;
-}
+#define dst_discard_in dst_discard
+#define dst_discard_out        dst_discard

void * dst_alloc(struct dst_ops * ops)
{


--
Denis Cheng
Linux Application Developer
-
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