On Wed, 24 May 2017 13:20:15 -0400 Jérôme Glisse <jglisse@xxxxxxxxxx> wrote: > From: Michal Hocko <mhocko@xxxxxxxx> > > There are new users of memory hotplug emerging. Some of them require > different subset of arch_add_memory. There are some which only require > allocation of struct pages without mapping those pages to the kernel > address space. We currently have __add_pages for that purpose. But this > is rather lowlevel and not very suitable for the code outside of the > memory hotplug. E.g. x86_64 wants to update max_pfn which should be > done by the caller. Introduce add_pages() which should care about those > details if they are needed. Each architecture should define its > implementation and select CONFIG_ARCH_HAS_ADD_PAGES. All others use > the currently existing __add_pages. > > Signed-off-by: Michal Hocko <mhocko@xxxxxxxx> > Signed-off-by: Jérôme Glisse <jglisse@xxxxxxxxxx> > --- Acked-by: Balbir Singh <bsingharora@xxxxxxxxx> Looks good, from a CDM perspective, this means that HMM-CDM would continue to use arch_add_memory() Balbir Singh. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href
