[CentOS] non PAE support

On Jul 26, 2011, at 10:55 PM, John R Pierce wrote:

> On 07/26/11 4:27 PM, Kevin K wrote:
>> Does anyone know what I would have to modify in 6 if I wanted to run on an older Pentium M CPU without PAE?  Is it just the kernel that needs to be rebuilt (maybe while installed in a system with a supported CPU)?  Or are there other components that would cause problems and need to be rebuilt too?
> 
> generically, you'd install the kernel srpm, and modify its rpmbuild 
> scripts to change the HIGHMEM64G kernel configure option to HIGHMEM4G 
> ... I would also change the name of this kernel (I'd add -noPAE to it, I 
> think), and the builder name, then run rpmbuild.
> 
> specifically, I haven't done this in quite a long time, so would have to 
> figure out the details as I went along.

Thanks.  I had worried that there might be some other packages that would have to be updated.  Like back in the day when OS's started to target 686's, and a few other packages like glibc would have a 686 version.