K 10 svn:author V 4 jeff K 8 svn:date V 27 2020-02-06T20:10:21.969099Z K 7 svn:log V 349 Add some global counters for SMR. These may eventually become per-smr counters. In my stress test there is only one poll for every 15,000 frees. This means we are effectively amortizing the cache coherency overhead even with very high write rates (3M/s/core). Reviewed by: markj, rlibby Differential Revision: https://reviews.freebsd.org/D23463 END