diff options
| author | Eric Dumazet <edumazet@google.com> | 2024-03-06 16:00:28 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-03-07 21:12:43 -0800 |
| commit | 5af674bb90a030317a02419e04b66ec0dc892dcd (patch) | |
| tree | 0d2cadaa498beef5328d3e23a788d972595b8b4c /net/ipv6/udp.c | |
| parent | 6e0735723ab437793cfab02d50b3ae3539aeb520 (diff) | |
| download | linux-5af674bb90a030317a02419e04b66ec0dc892dcd.tar.gz | |
ipv6: move inet6_ehash_secret and udp6_ehash_secret into net_hotdata
"struct inet6_protocol" has a 32bit hole in 32bit arches.
Use it to store the 32bit secret used by UDP and TCP,
to increase cache locality in rx path.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20240306160031.874438-16-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6/udp.c')
| -rw-r--r-- | net/ipv6/udp.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 97d86909aabb65..1e1c67a51675e8 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -79,7 +79,6 @@ u32 udp6_ehashfn(const struct net *net, const struct in6_addr *faddr, const __be16 fport) { - static u32 udp6_ehash_secret __read_mostly; static u32 udp_ipv6_hash_secret __read_mostly; u32 lhash, fhash; |