If a retrieved UMA zone is a secondary zone, don't report keg free items,
as they actually belong to the primary zone, and maye otherwise be reported more than once. MFC after: 1 day
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@ -211,7 +211,16 @@ memstat_sysctl_uma(struct memory_type_list *list, int flags)
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mtp->mt_count = mtp->mt_numallocs - mtp->mt_numfrees;
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mtp->mt_zonefree = uthp->uth_zone_free;
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mtp->mt_kegfree = uthp->uth_keg_free;
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/*
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* UMA secondary zones share a keg with the primary zone. To
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* avoid double-reporting of free items, report keg free
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* items only in the primary zone.
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*/
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if (!(uthp->uth_zone_flags & UTH_ZONE_SECONDARY)) {
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mtp->mt_free += mtp->mt_kegfree;
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mtp->mt_kegfree = uthp->uth_keg_free;
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}
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mtp->mt_free += mtp->mt_zonefree;
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}
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