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ip_reass: do less work in ipreass_slowtimo if possible

Description

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

(cherry picked from commit 3be3cbe06d6107486d67d8eb80480d34d084c39c)

Details

Provenance
mjgAuthored on Aug 13 2021, 9:32 AM
Reviewer
kp
Differential Revision
D31526: tidy up ipreass_slowtimo
Parents
rGad9671955a40: ip_reass: drop the volatile keyword from nfrags and mark with…
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