[PATCH net-next] vmxnet3: fix skb truesize underestimation
From: Eric Dumazet <hidden>
Date: 2011-10-13 21:38:22
Subsystem:
networking drivers, the rest, vmware vmxnet3 ethernet driver · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Ronak Doshi
vmxnet3 allocates a page per skb fragment. We must account PAGE_SIZE increments on skb->truesize, not the actual frag length. Signed-off-by: Eric Dumazet <redacted> CC: Shreyas Bhatewara <redacted> --- drivers/net/vmxnet3/vmxnet3_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 1694038..902f284 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c@@ -658,6 +658,7 @@ vmxnet3_append_frag(struct sk_buff *skb, struct Vmxnet3_RxCompDesc *rcd, frag->page_offset = 0; frag->size = rcd->len; skb->data_len += frag->size; + skb->truesize += PAGE_SIZE; skb_shinfo(skb)->nr_frags++; }
@@ -1277,7 +1278,6 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, skb = ctx->skb; if (rcd->eop) { skb->len += skb->data_len; - skb->truesize += skb->data_len; vmxnet3_rx_csum(adapter, skb, (union Vmxnet3_GenericDesc *)rcd);