From: Eric Dumazet Date: Thu, 13 Oct 2011 08:03:36 +0000 (+0000) Subject: e1000e: fix skb truesize underestimation X-Git-Tag: v2.6.39-400.9.0~423^2~19^2~11^2~378 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=b32c47db8ec5ab1c1f11984039f2d4afcc4f66cd;p=users%2Fjedix%2Flinux-maple.git e1000e: fix skb truesize underestimation e1000e allocates a page per skb fragment. We must account PAGE_SIZE increments on skb->truesize, not the actual frag length. (cherry picked from commit 98a045d7e4a59db0865a59eea2140fe36bc7c220) Signed-off-by: Eric Dumazet CC: Jeff Kirsher Signed-off-by: David S. Miller Signed-off-by: Joe Jin --- diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 2c35855dc0f5e..d77be033112df 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -1316,7 +1316,7 @@ static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, ps_page->page = NULL; skb->len += length; skb->data_len += length; - skb->truesize += length; + skb->truesize += PAGE_SIZE; } /* strip the ethernet crc, problem is we're using pages now so @@ -1376,7 +1376,7 @@ 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; } /**