| Message ID | 1229608706.16904.31.camel@localhost.localdomain |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
diff --git a/drivers/net/niu.c b/drivers/net/niu.c index 9f6a98f..7746230 100644 --- a/drivers/net/niu.c +++ b/drivers/net/niu.c @@ -3620,7 +3620,9 @@ static int niu_rx_work(struct niu *np, struct rx_ring_info *rp, int budget) nw64(RX_DMA_CTL_STAT(rp->rx_channel), stat); - niu_sync_rx_discard_stats(np, rp, 0x7FFF); + /* Only sync discards stats when qlen indicate potential for drops */ + if (qlen > 10) + niu_sync_rx_discard_stats(np, rp, 0x7FFF); return work_done; }
Optimize the lightly loaded case, by only syncronizing discards stats when qlen > 10 indicate potential for drops. Notice Robert Olsson might disagree with this patch. Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk> --- drivers/net/niu.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html