[ILUG] [Fwd: Extracting Kernel config info]

[Padraig Brady]

Niall O Broin wrote:

> On Tue, Feb 05, 2002 at 11:43:39AM +0000, Padraig Brady wrote:
> 
> 
>>A really useful patch makes all the options appeared in /proc/config.gz. 
>>used by SuSE kernels among others (mine, too :)
>>You can find the patch on kernelnewbies.org (don't remember where exactly)
>>
>>zgrep CONFIG_PROC /proc/config.gz    will give you the answer.
>>
> 
> Trust those smart Germans to take up such a useful little patch - what a
> useful thing for a distribution to include - no wonder I use SuSE :-)
> 
> However, I do wonder where the information is stored - is it using up
> non-swappable kernel memory ? Mind you, the relevant config file on my box
> gzipped is 10K - I suppose with current memory prices that's not a big
> burden.
> 

Yes, non swappable.

Note doing as a module wouldn't really help as you could
load the module with another kernel.

Hmm just thinking, the kernel image is currently something like?:
|boot_code|os loader|zipped os|
I wonder could you construct it like?:
|boot_code|os loader|zipped os|zipped config|

Padraig.