Re: [PATCH v2 1/8] mm/memory_hotplug: Drop the flags field from struct mhp_restrictions

From: David Hildenbrand
Date: Wed Jan 08 2020 - 07:27:31 EST


On 07.01.20 21:59, Logan Gunthorpe wrote:
> This variable is not used anywhere and should therefore be removed
> from the structure.
>
> Signed-off-by: Logan Gunthorpe <logang@xxxxxxxxxxxx>
> ---
> include/linux/memory_hotplug.h | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
> index ba0dca6aac6e..e47a29761088 100644
> --- a/include/linux/memory_hotplug.h
> +++ b/include/linux/memory_hotplug.h
> @@ -55,11 +55,9 @@ enum {
>
> /*
> * Restrictions for the memory hotplug:
> - * flags: MHP_ flags
> * altmap: alternative allocator for memmap array
> */
> struct mhp_restrictions {
> - unsigned long flags;
> struct vmem_altmap *altmap;
> };

We wanted to use that for the "vmemmap on added memory" config knob. But
that might still take some time and we might actually realize it using
the altmap instead (hopefully :) ).

Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

--
Thanks,

David / dhildenb