[RFC PATCH 0/5] crash dump bitmap: scan memory pages in kernel to speedup kernel dump process

[Yinghai Lu]

On Thu, Mar 7, 2013 at 7:21 AM, Vivek Goyal <vgoyal at redhat.com> wrote:
> Looks like now hpa and yinghai have done the work to be able to load
> kdump kernel above 4GB. I am assuming this also removes the restriction
> that we can only reserve 512MB or 896MB in second kernel.

Yes, From v3.9 and kexec-tools 2.0.4 on x86 64bit.

Thanks

Yinghai