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.marinas@xxxxxxx> > Cc: Will Deacon <will.deacon@xxxxxxx> > Cc: James Morse <james.morse@xxxxxxx> > Cc: Bhupesh Sharma <bhsharma@xxxxxxxxxx> > Cc: David Hildenbrand <david@xxxxxxxxxx> > Cc: Mark Rutland <mark.rutland@xxxxxxx> > Cc: Dave Kleikamp <dave.kleikamp@xxxxxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx> > Cc: Michal Hocko <mhocko@xxxxxxxx> > Cc: Florian Fainelli <f.fainelli@xxxxxxxxx> > Cc: Stefan Agner <stefan@xxxxxxxx> > Cc: Laura Abbott <labbott@xxxxxxxxxx> > Cc: Greg Hackmann <ghackmann@xxxxxxxxxxx> > Cc: Johannes Weiner <hannes@xxxxxxxxxxx> > Cc: Kristina Martsenko <kristina.martsenko@xxxxxxx> > Cc: CHANDAN VN <chandan.vn@xxxxxxxxxxx> > Cc: AKASHI Takahiro <takahiro.akashi@xxxxxxxxxx> > Cc: Logan Gunthorpe <logang@xxxxxxxxxxxx> > Reviewed-by: Matthias Brugger <mbrugger@xxxxxxxx> > Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
