Re: [PATCH 0/4] Small cleanup for memoryhotplug

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On Fri, Jun 01, 2018 at 02:53:17PM +0200, osalvador@xxxxxxxxxxxxxxxxxx wrote:
> From: Oscar Salvador <osalvador@xxxxxxx>
> 
> 
> Hi,
> 
> I wanted to give it a try and do a small cleanup in the memhotplug's code.
> A lot more could be done, but I wanted to start somewhere.
> I tried to unify/remove duplicated code.
> 
> The following is what this patchset does:
> 
> 1) add_memory_resource() has code to allocate a node in case it was offline.
>    Since try_online_node has some code for that as well, I just made add_memory_resource() to
>    use that so we can remove duplicated code..
>    This is better explained in patch 1/4.
> 
> 2) register_mem_sect_under_node() will be called only from link_mem_sections()
> 
> 3) Get rid of link_mem_sections() in favour of walk_memory_range() with a callback to
>    register_mem_sect_under_node()
> 
> 4) Drop unnecessary checks from register_mem_sect_under_node()
> 
> 
> I have done some tests and I could not see anything broken because of 
> this patchset.
> 
> Oscar Salvador (4):
>   mm/memory_hotplug: Make add_memory_resource use __try_online_node
>   mm/memory_hotplug: Call register_mem_sect_under_node
>   mm/memory_hotplug: Get rid of link_mem_sections
>   mm/memory_hotplug: Drop unnecessary checks from
>     register_mem_sect_under_node
> 
>  drivers/base/memory.c |   2 -
>  drivers/base/node.c   |  52 +++++---------------------
>  include/linux/node.h  |  21 +++++------
>  mm/memory_hotplug.c   | 101 ++++++++++++++++++++++++++------------------------
>  4 files changed, 71 insertions(+), 105 deletions(-)
> 
> -- 
> 2.13.6
> 

Hi,

maybe this can get reviewed now that the merge window is closed.

Thanks

Best Regards
Oscar Salvador





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