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From: Herbert Xu <herbert@gondor.apana.org.au>
To: "David S. Miller" <davem@davemloft.net>, netdev@oss.sgi.com
Subject: Set truesize in pskb_expand_head
Date: Sat, 25 Sep 2004 09:20:53 +1000	[thread overview]
Message-ID: <20040924232053.GA7807@gondor.apana.org.au> (raw)

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Hi:

In order for the skb trimming to work, we need to set truesize in
pskb_expand_head.  This patch does exactly that.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

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===== net/core/skbuff.c 1.37 vs edited =====
--- 1.37/net/core/skbuff.c	2004-08-03 12:20:05 +10:00
+++ edited/net/core/skbuff.c	2004-09-25 09:15:23 +10:00
@@ -541,6 +541,7 @@
 
 	off = (data + nhead) - skb->head;
 
+	skb->truesize = size + sizeof(struct sk_buff);
 	skb->head     = data;
 	skb->end      = data + size;
 	skb->data    += off;

             reply	other threads:[~2004-09-24 23:20 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-24 23:20 Herbert Xu [this message]
2004-09-24 23:33 ` Set truesize in pskb_expand_head David S. Miller
2004-09-24 23:35   ` Herbert Xu
2004-09-24 23:37     ` Herbert Xu
2004-09-24 23:45       ` David S. Miller
2004-09-25  0:05         ` Herbert Xu
2004-09-27 19:27           ` David S. Miller
2004-09-27 21:29             ` Herbert Xu

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