| commit | 2d94d8ab76ea6c858c6e2eb0ab0403b00b031039 | |
| author | Alexander Duyck <alexander.h.duyck@intel.com> | |
| Thu, 23 Jul 2009 18:10:06 +0000 (23 18:10 +0000) | ||
| committer | David S. Miller <davem@davemloft.net> | |
| Sun, 26 Jul 2009 16:47:01 +0000 (26 09:47 -0700) | ||
| tree | db8f6f4b56dfd3261ea6ce018ba6f571f1c3ccbb | treesnapshot (tar.gz zip) |
| parent | 4703bf73bd5b0d43c3eb5b547398d4f62dc5d4e1 | commitdiff |
igb: use buffer_info->dma instead of shinfo->nr_frags to determine unmap
This change makes it so that we use buffer_info->dma instead of
shinfo->nr_frags to determine if we need to unmap a received skb. By doing
this we can avoid a cache miss on small packets since the buffer_info
structure should already be prefetched.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This change makes it so that we use buffer_info->dma instead of
shinfo->nr_frags to determine if we need to unmap a received skb. By doing
this we can avoid a cache miss on small packets since the buffer_info
structure should already be prefetched.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| drivers/net/igb/igb_main.c | diffblobblamehistory |