Invisible wrote:
> Doesn't that mean they're still part of the kernel source tree though?

Not all of them. Some are, some aren't, depending on what hardware you're 
supporting.  I'm pretty sure, for example, that the device drivers for the 
custom hardware in the box I'm programming aren't what you'd call "part of 
the kernel" in any reasonable sense, since they're neither open source nor 
maintained by anyone outside the company that makes the hardware.

Stuff like USB root hub and protocol support? I'd expect that's part of the 
kernel.

So, yes, the kernel is quite big.  Much, much bigger than 600 lines. I'd be 
surprised if the virtual memory support wasn't a whole lot bigger than 600 
lines.

600 lines really isn't a whole lot of code in C. Back in college I wrote 
something like 10,000 lines for a simple library to do text-only stuff like 
input prompts, menus, help screens, report printing, etc for an insurance 
product. C is so primitive that the line count is probably at least 10x 
something equivalent in a language like Haskell.

-- 
Darren New, San Diego CA, USA (PST)
   Serving Suggestion:
     "Don't serve this any more. It's awful."

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