Re: [PATCH RFCv2 2/4] mm/memory_hotplug: Replace "bool want_memblock" by "int type"

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On 01.12.18 02:50, Wei Yang wrote:
> On Fri, Nov 30, 2018 at 06:59:20PM +0100, David Hildenbrand wrote:
>> Let's pass a memory block type instead. Pass "MEMORY_BLOCK_NONE" for device
>> memory and for now "MEMORY_BLOCK_UNSPECIFIED" for anything else. No
>> functional change.
> 
> I would suggest to put more words to this.

Sure, makes sense, I'll add more details. Thanks!

> 
> "
> Function arch_add_memory()'s last parameter *want_memblock* is used to
> determin whether it is necessary to create a corresponding memory block
> device. After introducing the memory block type, this patch replaces the
> bool type *want_memblock* with memory block type with following rules
> for now:
> 
>   * Pass "MEMORY_BLOCK_NONE" for device memory
>   * Pass "MEMORY_BLOCK_UNSPECIFIED" for anything else 
> 
> Since this parameter is passed deep to __add_section(), all its
> descendents are effected. Below lists those descendents.
> 
>   arch_add_memory()
>     add_pages()
>       __add_pages()
>         __add_section()
> 
> "

[...]


-- 

Thanks,

David / dhildenb




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