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igb: move gso_segs into buffer_info structure

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This change moves gso_segs into the buffer_info structure to avoid
a possible cache line miss in clean_tx_irq.

Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nick Nunley
2010-02-17 01:04:37 +00:00
committed by David S. Miller
parent 717ba08935
commit 40e90c26f5
2 changed files with 3 additions and 1 deletions
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drivers/net/igb/igb.h
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@@ -141,6 +141,7 @@ struct igb_buffer {
u16 length;
u16 next_to_watch;
u16 mapped_as_page;
u16 gso_segs;
};
/* RX */
struct {