Re: [PATCH 4.14 023/159] mm/sparsemem: Allocate mem_section at runtime for CONFIG_SPARSEMEM_EXTREME=y

Mike Galbraith
2018-01-07T09:22:25Z

On Sun, 2018-01-07 at 10:11 +0100, Greg Kroah-Hartman wrote:
> On Sun, Jan 07, 2018 at 06:14:22AM +0100, Mike Galbraith wrote:
> > On Fri, 2017-12-22 at 09:45 +0100, Greg Kroah-Hartman wrote:
> > > 4.14-stable review patch. If anyone has any objections, please let me know.
> >
> > FYI, this broke kdump, or rather the makedumpfile part thereof.
> >  Forward looking wreckage is par for the kdump course, but...
>
> Is it also broken in Linus's tree with this patch? Or is there an
> add-on patch that I should apply to 4.14 to resolve this issue there?

Yeah, it's belly up.  By its very nature, it's gonna get dinged up
regularly.  I only mentioned it because it's not expected that stuff
gets dinged up retroactively.

-Mike