Re: zImage is different sizes

Andi Kleen (
21 Jun 1997 23:50:15 -0500

Dave Wreski <> writes:

> Hi all. I'm wondering why multiple compiles of the kernel produce
> different sized zImages, despite using the same options. They differ by
> like +/- 10 bytes. This is all 2.0.30-pre2, if it makes a difference.
> There were no errors during any of the compiles, just warnings in random.c
> and 'needs config but has not included config file' messages...

The date in init/version.c changes always, and depending on the exact
byte pattern, gzip may compress better or worse.