Re: Linux is a MicroKernal? [was Re: is Linux obsolete?]

G. Allen Morris III (gam3@ixlabs.com)
Fri, 28 May 1999 14:15:22 -0700


>>>"Vishal Rao" said:
> isnt linux a micro-kernel? i would think so! if we can config it to be a
> cool 400k in size with loadabel modules?

Linux modules are in the same address space as the kernel. In a
micro-kernel ``modules'' are in their own address space. This is
why micro-kernels are slower than traditional kernels.

It is because of this slowness that micro-kernels are sometimes very
large, as in the case of NT. To speed up a micro-kernel you put the
more important parts into the kernel proper.

---------------------------------
G. Allen Morris III

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