* [PATCH net-next] igb: fix skb truesize underestimation
@ 2011-10-13 17:56 Eric Dumazet
2011-10-13 20:06 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Eric Dumazet @ 2011-10-13 17:56 UTC (permalink / raw)
To: David Miller; +Cc: netdev, Jeff Kirsher
e1000 allocates half a page per skb fragment. We must account
PAGE_SIZE/2 increments on skb->truesize, not the actual frag length.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
---
drivers/net/ethernet/intel/igb/igb_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 10670f9..1adcdf8 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -5946,7 +5946,7 @@ static bool igb_clean_rx_irq(struct igb_q_vector *q_vector, int budget)
skb->len += length;
skb->data_len += length;
- skb->truesize += length;
+ skb->truesize += PAGE_SIZE / 2;
if ((page_count(buffer_info->page) != 1) ||
(page_to_nid(buffer_info->page) != current_node))
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2011-10-13 20:06 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-10-13 17:56 [PATCH net-next] igb: fix skb truesize underestimation Eric Dumazet
2011-10-13 20:06 ` David Miller
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).