matt 0e3e55183b For debugging, use UVMHIST to create kernel histories pmaphist and ... pmapexechist. This replaces the old pmapdebug/PDB stuff. In ddb, you can just use kernhist_dump(pmaphist) to view the history or vmstat -H from userland.		2011-06-12 05:32:38 +00:00
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bus_dma	…
pmap/tlb	For debugging, use UVMHIST to create kernel histories pmaphist and	2011-06-12 05:32:38 +00:00