[Cbe-oss-dev] initrd size limit

[Benjamin Herrenschmidt]

On Fri, 2007-03-30 at 04:31 +0100, David Woodhouse wrote:
> Are there known problems with large initrd when booting from 2.6.16 into
> 2.6.21? I can boot the Fedora kernel with a small initrd, but an initrd
> of about 3.5M makes it crash. Without helpful output, of course.
> 
> This works...
> segment[0].mem:0x16da000 memsz:8310784
> segment[1].mem:0x1ec7000 memsz:16384
> segment[2].mem:0x1ecb000 memsz:1114112
> segment[3].mem:0x7bff000 memsz:4096
> 
> 
> This doesn't...
> segment[0].mem:0x16da000 memsz:8310784
> segment[1].mem:0x1ec7000 memsz:16384
> segment[2].mem:0x1ecb000 memsz:3436544
> segment[3].mem:0x7bff000 memsz:4096

Do we properly lmb_reserve the initrd ?

Ben.