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| author |   Eric Dumazet <edumazet@google.com> | 2012-04-27 02:10:03 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2012-04-30 21:35:50 -0400 |
| commit | 1d0c0b328a63826b7c80c27d1c4f2b04e8225273 (patch) | |
| tree | 62b8cb1fcfe51311019d26a4688ef58169ff4362 /drivers/net/ethernet | |
| parent | tcp: makes tcp_try_coalesce aware of skb->head_frag (diff) | |
| download | linux-dev-1d0c0b328a63826b7c80c27d1c4f2b04e8225273.tar.xz linux-dev-1d0c0b328a63826b7c80c27d1c4f2b04e8225273.zip | |
net: makes skb_splice_bits() aware of skb->head_frag
__skb_splice_bits() can check if skb to be spliced has its skb->head
mapped to a page fragment, instead of a kmalloc() area.
If so we can avoid a copy of the skb head and get a reference on
underlying page.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Maciej Żenczykowski <maze@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Cc: Matt Carlson <mcarlson@broadcom.com>
Cc: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet')
0 files changed, 0 insertions, 0 deletions