Re: [PATCH] 2.2: /proc/config.gz

From: Paul Gortmaker (
Date: Thu Aug 31 2000 - 04:19:08 EST

Chip Salzenberg wrote:
> This is a 2.2.17pre20 refresh of the /proc/config.gz patch


> +include/linux/config_data.h: newversion scripts/bin2c
> + gzip -9 < .config | scripts/bin2c kernel_config_data > $@
> +

If you are going to store options the kernel was built with, you
might as well get rid of all the cruft so you don't run into size
problems. For example:

sed '/=m/d;s/=y//;/^CONFIG_/s///p;d' .config | \
        gzip -9 | scripts/bin2c kernel_config_data > $@

maintains all the useful information and will be less than 1/2kB.
(things marked as not set or modular aren't relevant to the zImage)

You can reconstruct it back with:

gzip -d < /proc/config.gz | sed '/=/\!s/$/=y/;s/^/CONFIG_/' > .config

Run 'make oldconfig' and hold down the Enter key for a few seconds.


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