Re: v2.1.110 low memory settings via lilo

Linus Torvalds (
24 Jul 1998 22:29:21 GMT

In article <Pine.LNX.3.96.980724141300.103A-100000@lo-pc3035a>,
Alex Buell <> wrote:
>Hi guys,
>I've been testing the v2.1.110 kernel with mem=xM settings. I've found
>that using mem=2M, mem=3M causes the kernel to panic with a message about
>VFS being unable to mount root filesystem. Setting to 4M works just fine
>(I don't even notice the difference between 16M (normal on this P75+), and
>4MB :o) Settings with 2.5M, 3.5M do not work since lilo doesn't recognise
>these. :o( I didn't even DARE to try mem=1M, but I suppose someone else
>will get that to work!

You can set the memory to something like "mem=2560k" to set it to 2.5MB.
Not that I think you really want to, but if you think a 4M machine is
running as well as a 16M machine you may have a different idea of
"usable" than I have ;)


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