From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 13 Oct 2011 07:53:42 +0000 (+0000)
Subject: e1000: fix skb truesize underestimation
X-Git-Tag: v2.6.39-400.9.0~423^2~19^2~11^2~398
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=925d039aa0bff9e6fe89e1f147a554180ba48528;p=users%2Fjedix%2Flinux-maple.git

e1000: fix skb truesize underestimation

e1000 allocates a full page per skb fragment. We must account PAGE_SIZE
increments on skb->truesize, not the actual frag length.

(cherry picked from commit ed64b3cc11502f50e1401f12e33d021592800bca)
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Joe Jin <joe.jin@oracle.com>
---

diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 5faa609740c2a..fb7f82b94c5d8 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3733,7 +3733,7 @@ static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
 	bi->page = NULL;
 	skb->len += length;
 	skb->data_len += length;
-	skb->truesize += length;
+	skb->truesize += PAGE_SIZE;
 }
 
 /**