RE: memory holes and kernel params

["Doughty, Michael" <Doughty_Michael@example.com>]

In case anyone cares, the answer (found via the careful 
and exact science of trial and error) is as follows:
The statement mem=###M@example.com means that there is
a contiguous of ###MB Ram starting at the 16M point.
This means that if you have 128M of ram, the statement
to use all of it after the 16M hole would be:
mem=112M@example.com

But wait! There's more!!
If you want to use it all, the following statement is great:
mem=exactmap mem=14M@example.com mem=112M@example.com

This nets me a total of 126 megs.  I could probably get a 
little more if I chose to start at the 0 or 640k mark, but
as some machines appear to have a hole at both 0 and 
15M, I decided to be on the extra cautious side.  
Anyone want to throw out an improvement on this approach 
of mine?

Michael

-----Original Message-----
From: Doughty, Michael 
Sent: 13”N7ŒŽ26“ú 19:06
To: 'tlug@example.com'
Subject: memory holes and kernel params


Ok, here is the deal.  I have an ancient Compaq 1500 
beast that I have dropped linux on.  But I have a 
minor problem, in that it has a memory hole that is 
causing the kernel a bit of grief.  Now I know I can 
warn it about the memory hole in lilo.conf with a line 
like:
append="mem=##M@example.com"

What I don't know, and can't find any documentation on,
is what do the ## stand for?  Does this line say I have
a contiguous block of RAM that is ## in size starting 
at 16M, or does it say I have a total of ## in ram, with
a 1MB hole running from 15M-16M?  ie, if I have 128M of 
physical memory and a memory hole at 15-16M, should my
lilo line look like:

append="mem=112M@example.com"

or

append="mem=128M@example.com"

Thanks,

Michael

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