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SubjectRe: Is the x86-64 kernel size limit real?
Date
Followup to:  <p73hd2cnik6.fsf@verdi.suse.de>
By author: Andi Kleen <ak@suse.de>
In newsgroup: linux.dev.kernel
>
> Olivier Galibert <galibert@pobox.com> writes:
>
> > I get bitched at by the build process because the kernel I get is
> > around 4.5Mb compressed. i386 does not have that limitation.
> > Interestingly, a diff between the two build.c gives:
>
> A patch to fix it is already queued for 2.6.18
>
> Also long term it might be completely dropped when the uncompressor
> moves to long mode.
>

It can be completely dropped now (and the directories unified); the
size limitation on the uncompressed size can be enforced in the linker
script.

The uncompressor only needs to be in long mode to support > 4 GB.

-hpa

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