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mctp: Reorder fields in 'struct mctp_route' 

Group some variables based on their sizes to reduce hole and avoid padding.
On x86_64, this shrinks the size of 'struct mctp_route'
from 72 to 64 bytes.

It saves a few bytes of memory and is more cache-line friendly.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Jeremy Kerr <jk@codeconstruct.com.au>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/393ad1a5aef0aa28d839eeb3d7477da0e0eeb0b0.1687080803.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Christophe JAILLET 2023-06-18 11:33:55 +02:00 committed by Jakub Kicinski
parent 857922b16b
commit 066768b730
1 changed files with 2 additions and 2 deletions
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4
include/net/mctp.h
View File

@ -234,9 +234,9 @@ struct mctp_flow {
struct mctp_route {
mctp_eid_t min, max;
struct mctp_dev *dev;
unsigned int mtu;
unsigned char type;
unsigned int mtu;
struct mctp_dev *dev;
int (*output)(struct mctp_route *route,
struct sk_buff *skb);