Re: Vnode API change: add global vnode cache

[Taylor R Campbell <campbell+netbsd-tech-kern%mumble.net@localhost>]

   Date: Mon, 7 Apr 2014 16:44:47 +0100
   From: Mindaugas Rasiukevicius <rmind%netbsd.org@localhost>

   One concern though: can you benchmark ./build.sh on a machine with 8 or
   more CPUs?  I fear that vcache.lock might be a bit contended and we ought
   to figure out how much.  If the contention is not significant, it should
   be fine for now.

I can do this if you really want, but I doubt it'll make a difference
unless your src and obj trees are spread across multiple different
types of file systems, because currently for ufs, ufs_ihashlock and
ufs_hashlock are just as contended as vcache.lock would be.