Subject: Re: MFS over ISO-9660 union mounted with no swap space?
To: Daniel Carosone <>
From: Mike Cheponis <mac@Wireless.Com>
List: tech-kern
Date: 05/14/1999 01:38:34
Gawd, you guys are a tough audience!

> Mike Cheponis writes:
>  > 1. Dedicated swap is totally bogus in 21st century OSs
>  > 
>  > 2. Auto-defrag should be a low-priority background task, always running
>  > 
>  > 3. Fixed numbers of inodes is totally bogus in 21st century OSs
> We will look forward eagerly to your code that implements these
> things, since they are so trivial and obvious.

I do intend to do these things once I get buy-in from the core that if I
-did- do these things, they'd be put in the kernel.

>> 4. I should be able to have a VM system that allows me to have an array that
>>    occupies all of available filesystem space if I want, and to be able to
>>    manipulate that array in my userland program as if I had all of that
>>    memory; after all, what the heck is a VM system for?
> what, you mean mmap() ?

No, I do -not- mean mmap.  mmap is a crude hack.  

Maybe I'm not making myself clear here, but mmap can return [ENOMEM] which
of course is the -point- of my #4, above.