On 16/12/16 06:50, Reza Arbab wrote:
> Memory hotplug is leading to hash page table calls, even on radix:
>
> ...
> arch_add_memory
> create_section_mapping
> htab_bolt_mapping
> BUG_ON(!ppc_md.hpte_insert);
>
> To fix, refactor {create,remove}_section_mapping() into hash__ and radix__
> variants. Implement the radix versions by borrowing from existing vmemmap
> and x86 code.
>
> This passes basic verification of plugging and removing memory, but this
> stuff is tricky and I'd appreciate extra scrutiny of the series for
> correctness--in particular, the adaptation of remove_pagetable() from x86.
On quick glance everything seemed alright to me. I'll review each patch and
Ack/provide comments.
Do we care about alt maps yet?
Balbir Singh.
