On Wed, Nov 11, 2020 at 03:53:17PM +0100, David Hildenbrand wrote: > We want to stop abusing memory hotplug infrastructure in memtrace code > to perform allocations and remove the linear mapping. Instead we will use > alloc_contig_pages() and remove the linear mapping manually. > > Let's factor out creating/removing the linear mapping into > arch_create_linear_mapping() / arch_remove_linear_mapping() - so in the > future, we might be able to have whole arch_add_memory() / > arch_remove_memory() be implemented in common code. > > Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> > Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> > Cc: Paul Mackerras <paulus@xxxxxxxxx> > Cc: Rashmica Gupta <rashmica.g@xxxxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: Mike Rapoport <rppt@xxxxxxxxxx> > Cc: Michal Hocko <mhocko@xxxxxxxx> > Cc: Oscar Salvador <osalvador@xxxxxxx> > Cc: Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx> > Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> Reviewed-by: Oscar Salvador <osalvador@xxxxxxx> -- Oscar Salvador SUSE L3
