svs_pmap_sync() svs_pdir_switch() overhead

Andrew Doran <[email protected]> Tue, 19 May 2020 22:51:52 +0000

Newsgroups	gmane.os.netbsd.ports.x86-64
Message-ID	<[email protected]>

Both of these show up prominently in profiling for me.  This change largely
cures it:

	http://www.netbsd.org/~ad/2020/svs.diff

Comments?

Thanks,
Andrew

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