Re: [PATCH] mm/memory_hotplug: Drop memory device reference after find_memory_block()

[David Hildenbrand]

On 10.04.19 14:28, Oscar Salvador wrote:
> On Wed, Apr 10, 2019 at 12:14:55PM +0200, David Hildenbrand wrote:
>> While current node handling is probably terribly broken for memory block
>> devices that span several nodes (only possible when added during boot,
>> and something like that should be blocked completely), properly put the
>> device reference we obtained via find_memory_block() to get the nid.
> 
> We even have nodes sharing sections, so tricky to "fix".
> But I agree that the way memblocks are being handled now sucks big time.
> 

I'm planning to eventually tackle this via memblocks directly, using
"nid" to indicate if mixed sections are contained. So we don't have to
scan all the pages ...

-- 

Thanks,

David / dhildenb