Fix kernel panic which occurs under very high load: - Make sure we calculate the correct maximum size for PFSYNC_ACT_UREQ. - Make pfsync_sendout() return immediately if there is nothing to send.
Fix kernel panic which occurs under very high load:
- Make sure we calculate the correct maximum size for PFSYNC_ACT_UREQ.
- Make pfsync_sendout() return immediately if there is nothing to send.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars