Re: [PATCH 4/6] mm/page_owner: introduce split_page_owner and replace manual handling

[Vlastimil Babka]

On 05/03/2016 07:23 AM, js1304@xxxxxxxxx wrote:
> From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
>
> split_page() calls set_page_owner() to set up page_owner to each pages.
> But, it has a drawback that head page and the others have different
> stacktrace because callsite of set_page_owner() is slightly differnt.
> To avoid this problem, this patch copies head page's page_owner to
> the others. It needs to introduce new function, split_page_owner() but
> it also remove the other function, get_page_owner_gfp() so looks good
> to do.

OK.

Acked-by: Vlastimil Babka <vbabka@xxxxxxx>