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wireguard: peer: put frequently used members above cache lines

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The is_dead boolean is checked for every single packet, while the
internal_id member is used basically only for pr_debug messages. So it
makes sense to hoist up is_dead into some space formerly unused by a
struct hole, while demoting internal_api to below the lowest struct
cache line.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jason A. Donenfeld 2021-02-22 17:25:46 +01:00 committed by Jakub Kicinski
parent d5a49aa6c3
commit 5a05986956
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireguard/peer.h
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@ -39,6 +39,7 @@ struct wg_peer {
struct crypt_queue tx_queue, rx_queue;
struct sk_buff_head staged_packet_queue;
int serial_work_cpu;
bool is_dead;
struct noise_keypairs keypairs;
struct endpoint endpoint;
struct dst_cache endpoint_cache;
@ -61,9 +62,8 @@ struct wg_peer {
struct rcu_head rcu;
struct list_head peer_list;
struct list_head allowedips_list;
u64 internal_id;
struct napi_struct napi;
bool is_dead;
u64 internal_id;
};
struct wg_peer *wg_peer_create(struct wg_device *wg,