freebsd-dev/sys/netpfil
Mark Johnston c1be839971 pf: Add a new zone for per-table entry counters.
Right now we optionally allocate 8 counters per table entry, so in
addition to memory consumed by counters, we require 8 pointers worth of
space in each entry even when counters are not allocated (the default).

Instead, define a UMA zone that returns contiguous per-CPU counter
arrays for use in table entries.  On amd64 this reduces sizeof(struct
pfr_kentry) from 216 to 160.  The smaller size also results in better
slab efficiency, so memory usage for large tables is reduced by about
28%.

Reviewed by:	kp
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D24843
2020-05-16 00:28:12 +00:00
..
ipfw ipfw: whitespace fix in SCTP_ABORT_ASSOCIATION case statement comment 2020-05-03 03:44:16 +00:00
pf pf: Add a new zone for per-table entry counters. 2020-05-16 00:28:12 +00:00