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authorEric Dumazet <edumazet@google.com>2021-11-15 20:23:03 +0300
committerJakub Kicinski <kuba@kernel.org>2021-11-17 06:07:54 +0300
commit49ecc2e9c3abd269951972fa8b23a4d081111b80 (patch)
treea80df702ca11dfc0473c23ed47b6552ce63f2a6a /net/ipv4/route.c
parent7071732c26fe2cf141185ed16a8a85d02495ae8c (diff)
downloadlinux-49ecc2e9c3abd269951972fa8b23a4d081111b80.tar.xz
net: align static siphash keys
siphash keys use 16 bytes. Define siphash_aligned_key_t macro so that we can make sure they are not crossing a cache line boundary. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/route.c')
-rw-r--r--net/ipv4/route.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 0b4103b1e622..243a0c52be42 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -602,7 +602,7 @@ static void fnhe_remove_oldest(struct fnhe_hash_bucket *hash)
static u32 fnhe_hashfun(__be32 daddr)
{
- static siphash_key_t fnhe_hash_key __read_mostly;
+ static siphash_aligned_key_t fnhe_hash_key;
u64 hval;
net_get_random_once(&fnhe_hash_key, sizeof(fnhe_hash_key));