Re: Unbloating the kernel, was: :mem=16MB laptop testing

From: Jan-Benedict Glaw
Date: Wed Oct 15 2003 - 08:23:47 EST


On Wed, 2003-10-15 06:06:45 -0700, William Lee Irwin III <wli@xxxxxxxxxxxxxx>
wrote in message <20031015130645.GJ765@xxxxxxxxxxxxxx>:
> On Tue, 2003-10-14 18:27:05 +0200, Maciej Zenczykowski <maze@xxxxxxx>
> > wrote in message <Pine.LNX.4.44.0310141813320.1776-100000@xxxxxxxxxxxx>:
> On Wed, Oct 15, 2003 at 01:45:14PM +0200, Jan-Benedict Glaw wrote:
> > Right. For a real lowmem system (4MB RAM) I defined printk to a no-op
> > and gained 90K at the compressed image IIRC. This was 2.2.x, though.
> > MfG, JBG
>
> The compressed image is hard to predict a runtime effect from; what did
> it do to reserved memory at boot-time?

I'm not sure since this it's quite long ago (TM), but the effect was of
about 210K IIRC. The apps we had running on that box (think embedded)
*really* liked that 200K extra RAM. It made the difference between "swap
to death" and "nearly not swapping"...

MfG, JBG

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