Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1617815
| From | Anshuman Khandual <khandual@linux.vnet.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [HMM 01/16] mm/memory/hotplug: add memory type parameter to arch_add/remove_memory |
| Date | 2017-04-06 11:50 +0200 |
| Message-ID | <ttcdb-6Oa-3@gated-at.bofh.it> (permalink) |
| References | <tt02l-7qU-3@gated-at.bofh.it> <tt02m-7qU-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
> diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
> index 5f84433..0933261 100644
> --- a/arch/powerpc/mm/mem.c
> +++ b/arch/powerpc/mm/mem.c
> @@ -126,14 +126,31 @@ int __weak remove_section_mapping(unsigned long start, unsigned long end)
> return -ENODEV;
> }
>
> -int arch_add_memory(int nid, u64 start, u64 size, bool for_device)
> +int arch_add_memory(int nid, u64 start, u64 size, enum memory_type type)
> {
> struct pglist_data *pgdata;
> - struct zone *zone;
> unsigned long start_pfn = start >> PAGE_SHIFT;
> unsigned long nr_pages = size >> PAGE_SHIFT;
> + bool for_device = false;
> + struct zone *zone;
> int rc;
>
> + /*
> + * Each memory_type needs special handling, so error out on an
> + * unsupported type. In particular, MEMORY_DEVICE_UNADDRESSABLE
> + * is not supported on this architecture.
The concept of MEMORY_DEVICE_UNADDRESSABLE has not been
introduced yet in this patch if I read correctly.
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[HMM 01/16] mm/memory/hotplug: add memory type parameter to arch_add/remove_memory Jérôme Glisse <jglisse@redhat.com> - 2017-04-05 22:50 +0200
Re: [HMM 01/16] mm/memory/hotplug: add memory type parameter to arch_add/remove_memory Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-04-06 11:50 +0200
Re: [HMM 01/16] mm/memory/hotplug: add memory type parameter to arch_add/remove_memory Jerome Glisse <jglisse@redhat.com> - 2017-04-06 16:00 +0200
Re: [HMM 01/16] mm/memory/hotplug: add memory type parameter to arch_add/remove_memory Michal Hocko <mhocko@kernel.org> - 2017-04-07 14:20 +0200
Re: [HMM 01/16] mm/memory/hotplug: add memory type parameter to arch_add/remove_memory Jerome Glisse <jglisse@redhat.com> - 2017-04-07 16:40 +0200
Re: [HMM 01/16] mm/memory/hotplug: add memory type parameter to arch_add/remove_memory Michal Hocko <mhocko@kernel.org> - 2017-04-07 16:50 +0200
Re: [HMM 01/16] mm/memory/hotplug: add memory type parameter to arch_add/remove_memory Jerome Glisse <jglisse@redhat.com> - 2017-04-07 17:00 +0200
Re: [HMM 01/16] mm/memory/hotplug: add memory type parameter to arch_add/remove_memory Michal Hocko <mhocko@kernel.org> - 2017-04-07 17:20 +0200
Re: [HMM 01/16] mm/memory/hotplug: add memory type parameter to arch_add/remove_memory Jerome Glisse <jglisse@redhat.com> - 2017-04-07 18:20 +0200
Re: [HMM 01/16] mm/memory/hotplug: add memory type parameter to arch_add/remove_memory Michal Hocko <mhocko@kernel.org> - 2017-04-07 18:40 +0200
Re: [HMM 01/16] mm/memory/hotplug: add memory type parameter to arch_add/remove_memory Jerome Glisse <jglisse@redhat.com> - 2017-04-07 19:20 +0200
Re: [HMM 01/16] mm/memory/hotplug: add memory type parameter to arch_add/remove_memory Michal Hocko <mhocko@kernel.org> - 2017-04-07 20:00 +0200
Re: [HMM 01/16] mm/memory/hotplug: add memory type parameter to arch_add/remove_memory Jerome Glisse <jglisse@redhat.com> - 2017-04-07 20:30 +0200
csiph-web