iwl4965: better skb management in rx path

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4965 version of Eric patch "iwl3945: better skb management in rx path".
It fixes several problems :

1) skb->truesize is underestimated.
   We really consume PAGE_SIZE bytes for a fragment,
   not the frame length.
2) 128 bytes of initial headroom is a bit low and forces reallocations.
3) We can avoid consuming a full page for small enough frames.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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Stanislaw Gruszka 2013-07-01 14:19:30 +02:00 • committed by John W. Linville

parent 092c46498e

commit c1de4a9557

1 changed files with 12 additions and 6 deletions

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drivers/net/wireless/iwlegacy/4965-mac.c

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