Re: Why does the kernel need a gig of VM?

[Chris Friesen]

John Richard Moser wrote:

> So what's the layout of that top 1G?  What's it all used for?  Is there
> some obscene restriction of 1G of shared memory or something that gets
> mapped up there?
>
> How much does it need, and why?  What, if anything, is variable and
> likely to do more than 10 or 15 megs of variation?

I'm guessing the high runners in the variable category are likely to be 
the page cache, all kinds of in-flight IO buffers, and such.

Chris
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