Author: mjg
Date: Thu Jul 12 22:35:52 2018
New Revision: 336231
URL: https://svnweb.freebsd.org/changeset/base/336231

Log:
  uma: whack main zone counter update in the slow path, freeing side
  
  See r333052.

Modified:
  head/sys/vm/uma_core.c

Modified: head/sys/vm/uma_core.c
==============================================================================
--- head/sys/vm/uma_core.c      Thu Jul 12 22:34:40 2018        (r336230)
+++ head/sys/vm/uma_core.c      Thu Jul 12 22:35:52 2018        (r336231)
@@ -3135,14 +3135,6 @@ zfree_start:
        cpu = curcpu;
        cache = &zone->uz_cpu[cpu];
 
-       /*
-        * Since we have locked the zone we may as well send back our stats.
-        */
-       atomic_add_long(&zone->uz_allocs, cache->uc_allocs);
-       atomic_add_long(&zone->uz_frees, cache->uc_frees);
-       cache->uc_allocs = 0;
-       cache->uc_frees = 0;
-
        bucket = cache->uc_freebucket;
        if (bucket != NULL && bucket->ub_cnt < bucket->ub_entries) {
                ZONE_UNLOCK(zone);
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