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| author | Mateusz Guzik <mjg@FreeBSD.org> | 2021-08-13 09:29:57 +0000 |
|---|---|---|
| committer | Mateusz Guzik <mjg@FreeBSD.org> | 2021-08-18 09:44:43 +0000 |
| commit | ad9671955a40ed69432e66d4ff6579c42a6e048d (patch) | |
| tree | ccbab76361dc971fc08eec24183eca5cd62492d4 | |
| parent | 64f6c8d616b95a6ca153dd7d9e07bad3cf86e51f (diff) | |
| download | src-ad9671955a40ed69432e66d4ff6579c42a6e048d.tar.gz src-ad9671955a40ed69432e66d4ff6579c42a6e048d.zip | |
ip_reass: drop the volatile keyword from nfrags and mark with __exclusive_cache_line
The keyword adds nothing as all operations on the var are performed
through atomic_*
Reviewed by: kp
Sponsored by: Rubicon Communications, LLC ("Netgate")
Differential Revision: https://reviews.freebsd.org/D31526
(cherry picked from commit d2b95af1c27ed51d72bef5d9f3d89860edc4fd40)
| -rw-r--r-- | sys/netinet/ip_reass.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/netinet/ip_reass.c b/sys/netinet/ip_reass.c index f5cc6ad68125..8a071345677a 100644 --- a/sys/netinet/ip_reass.c +++ b/sys/netinet/ip_reass.c @@ -137,12 +137,12 @@ ipq_drop(struct ipqbucket *bucket, struct ipq *fp) #define IP_MAXFRAGPACKETS (imin(IP_MAXFRAGS, IPREASS_NHASH * 50)) static int maxfrags; -static volatile u_int nfrags; +static u_int __exclusive_cache_line nfrags; SYSCTL_INT(_net_inet_ip, OID_AUTO, maxfrags, CTLFLAG_RW, &maxfrags, 0, "Maximum number of IPv4 fragments allowed across all reassembly queues"); SYSCTL_UINT(_net_inet_ip, OID_AUTO, curfrags, CTLFLAG_RD, - __DEVOLATILE(u_int *, &nfrags), 0, + &nfrags, 0, "Current number of IPv4 fragments across all reassembly queues"); VNET_DEFINE_STATIC(uma_zone_t, ipq_zone); |