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Message-Id: <1318577970-19566-1-git-send-email-roy.qing.li@gmail.com>
Date:	Fri, 14 Oct 2011 15:39:30 +0800
From:	roy.qing.li@...il.com
To:	netdev@...r.kernel.org
Subject: [PATCH net-next] skbuff: update sk truesize in pskb_expand_head

when pskb_expand_head reallocates header of &sk_buff, the sk
truesize should be updated simultaneously

Signed-off-by: RongQing.Li <roy.qing.li@...il.com>
---
 net/core/skbuff.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 387703f..48e0be9 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -920,6 +920,7 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
 	}
 	off = (data + nhead) - skb->head;
 
+	skb->truesize += (size - (skb_end_pointer(skb) - skb->head));
 	skb->head     = data;
 adjust_others:
 	skb->data    += off;
-- 
1.7.1

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