On Mar 16, 2007, at 10:00 AM, Jerry McAllister wrote:
On Fri, Mar 16, 2007 at 02:19:25AM +0100, Danny Pansters wrote:
On Friday 16 March 2007 01:04:51 Jeffrey Goldberg wrote:
me, too.
Of course it will speed up booting but then again how much time
does one spend
booting, compared to using the puter: not much (at least I hope so
for them!)
Ah but some of us boot frequently. We have to after each kernel
rebuild.
If I do build my own kernel, for example to switch schedulers, I
tend to toss
out a heap of devices that I don't have anyway. But other than a
bit more
memory usage (which compared to the software that's run will
typically be
minor anyhow unless you're talking embedded system or maybe not-so-
embedded
but still of low spec special purpose boxes, like a satellite
receiver box)
you're not going to have a slower system because your kernel
happens to have
some built-in drivers that it doesn't use. The exception is a
debug kernel of
course that will impact performance because it increases runtime
tasks/load.
On a server I'd strip down the kernel, but for other reasons
(avoiding any
unneeded complexity). On a desktop I don't care as long as thingie
works.
YMMV of course.
I think what he was saying is that if you already need to build a
kernel for some other reason, then go ahead and strip out the
unused stuff. But, if you don't have any other reason to do it,
it is not worth the bother to build another kernel just to strip
it of unused stuff - that it won't make THAT much difference.
I'd agree with that.
me, too.
I've got some linux workstations for which I've never felt the need
to compile my own kernel. But my FreeBSD box is a headless ITX-mini
board that will run as a public server. Because there was so much of
GENERIC that I could discard for my box, it seemed to make sense.
But I suppose the single most important factor in my decision to
compile my own kernel is
"Building a custom kernel is one of the most important rites of
passage nearly
every BSD user must endure."
From:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/
kernelconfig-custom-kernel.html
Also I have m0n0wall running on a Soekris box, and someday I may want
to customize that, so this is a good learning experience.
It's really
-j
--
Jeffrey Goldberg http://www.goldmark.org/jeff/
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