[PATCH] arm: mm: dump: don't skip final region

Mark Rutland mark.rutland at arm.com
Thu Dec 11 10:22:32 PST 2014


On Mon, Dec 08, 2014 at 05:55:03PM +0000, Russell King - ARM Linux wrote:
> On Mon, Dec 08, 2014 at 05:46:45PM +0000, Steve Capper wrote:
> > After some head scratching....
> > 
> > Basically, the swapper_pg_dir will only contain kernel pgd entries. So
> > at the beginning where one would normally user-space entries in a pgd
> > table, there should be null entries that are skipped over. So yes, I
> > agree, we should be able to remove the USER_PGTABLES_CEILING check.
> 
> The check is there to avoid noting anything about the lower entries.
> There is the possibility for lower entries to contain something (the
> low vector mapping), though you're probably right that we should
> report those too.

Ok. I'll send out a v2 which removes both uses of USER_PGTABLES_CEILING
and repots all entries.

Thanks,
Mark.



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