On Mon, Jan 14, 2019 at 01:59:01PM +0100, David Hildenbrand wrote: > The crashkernel is reserved via memblock_reserve(). memblock_free_all() > will call free_low_memory_core_early(), which will go over all reserved > memblocks, marking the pages as PG_reserved. > > So manually marking pages as PG_reserved is not necessary, they are > already in the desired state (otherwise they would have been handed over > to the buddy as free pages and bad things would happen). > > Cc: Catalin Marinas <catalin.mari...@arm.com> > Cc: Will Deacon <will.dea...@arm.com> > Cc: James Morse <james.mo...@arm.com> > Cc: Bhupesh Sharma <bhsha...@redhat.com> > Cc: David Hildenbrand <da...@redhat.com> > Cc: Mark Rutland <mark.rutl...@arm.com> > Cc: Dave Kleikamp <dave.kleik...@oracle.com> > Cc: Andrew Morton <a...@linux-foundation.org> > Cc: Mike Rapoport <r...@linux.vnet.ibm.com> > Cc: Michal Hocko <mho...@suse.com> > Cc: Florian Fainelli <f.faine...@gmail.com> > Cc: Stefan Agner <ste...@agner.ch> > Cc: Laura Abbott <labb...@redhat.com> > Cc: Greg Hackmann <ghackm...@android.com> > Cc: Johannes Weiner <han...@cmpxchg.org> > Cc: Kristina Martsenko <kristina.martse...@arm.com> > Cc: CHANDAN VN <chandan...@samsung.com> > Cc: AKASHI Takahiro <takahiro.aka...@linaro.org> > Cc: Logan Gunthorpe <log...@deltatee.com> > Reviewed-by: Matthias Brugger <mbrug...@suse.com> > Signed-off-by: David Hildenbrand <da...@redhat.com>
Acked-by: Catalin Marinas <catalin.mari...@arm.com>
