The branch main has been updated by mjg: URL: https://cgit.FreeBSD.org/src/commit/?id=3be3cbe06d6107486d67d8eb80480d34d084c39c
commit 3be3cbe06d6107486d67d8eb80480d34d084c39c Author: Mateusz Guzik <[email protected]> AuthorDate: 2021-08-13 09:32:16 +0000 Commit: Mateusz Guzik <[email protected]> CommitDate: 2021-08-14 16:50:12 +0000 ip_reass: do less work in ipreass_slowtimo if possible ipreass_slowtimo avoidably uses CPU on otherwise idle boxes Reviewed by: kp Sponsored by: Rubicon Communications, LLC ("Netgate") Differential Revision: https://reviews.freebsd.org/D31526 --- sys/netinet/ip_reass.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/sys/netinet/ip_reass.c b/sys/netinet/ip_reass.c index 8a071345677a..db32e6a312f2 100644 --- a/sys/netinet/ip_reass.c +++ b/sys/netinet/ip_reass.c @@ -593,11 +593,16 @@ ipreass_slowtimo(void) { struct ipq *fp, *tmp; + if (atomic_load_int(&nfrags) == 0) + return; + for (int i = 0; i < IPREASS_NHASH; i++) { + if (TAILQ_EMPTY(&V_ipq[i].head)) + continue; IPQ_LOCK(i); TAILQ_FOREACH_SAFE(fp, &V_ipq[i].head, ipq_list, tmp) if (--fp->ipq_ttl == 0) - ipq_timeout(&V_ipq[i], fp); + ipq_timeout(&V_ipq[i], fp); IPQ_UNLOCK(i); } } _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/dev-commits-src-all To unsubscribe, send any mail to "[email protected]"
