diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2023-06-18 11:33:55 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-06-20 20:06:16 -0700 |
| commit | 066768b7305b1524d261fdc543d25fd60d955254 (patch) | |
| tree | 9581fc60707833d60384e2495bca631baf7d4a67 /include/net/mctp.h | |
| parent | 857922b16bb893d26d5ecd83acf9f20cb28eaea2 (diff) | |
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>
Diffstat (limited to 'include/net/mctp.h')
| -rw-r--r-- | include/net/mctp.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/net/mctp.h b/include/net/mctp.h index 82800d521c3d..da86e106c91d 100644 --- a/include/net/mctp.h +++ b/include/net/mctp.h @@ -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); |