Ridiculous idea: Cache as ramdisk?

[Justin C. Sherrill]

J. Kanowitz wrote:

> I'm thinking of wherever writes get buffered before a softupdates
> commit.  Obviously it'd suck to run completely OOM for careless use
> of the 'RAM disk,' MFS does a good job anyway, and I barely know what
> I'm talking about...  But maybe the perspective can be good inspiration
> for someone even if the idea itself might belong in the dustbin.

I recall seeing a nice writeup somewhere, where someone described how to set
up a ramdisk for /usr/obj, and therefore speeding the make buildworld
process way, way up.  

Here's a link, though I don't think it's the same one I recall reading.
http://bsdvault.net/sections.php?op=viewarticle&artid=53