On 16 Nov 2020, at 11:25, Kirill A. Shutemov wrote:
> On Wed, Nov 11, 2020 at 03:40:05PM -0500, Zi Yan wrote:
>> From: Zi Yan <ziy@xxxxxxxxxx>
>>
>> It adds a new_order parameter to set new page order in page owner.
>> It prepares for upcoming changes to support split huge page to any lower
>> order.
>>
>> Signed-off-by: Zi Yan <ziy@xxxxxxxxxx>
>> ---
>> include/linux/page_owner.h | 7 ++++---
>> mm/huge_memory.c | 2 +-
>> mm/page_alloc.c | 2 +-
>> mm/page_owner.c | 6 +++---
>> 4 files changed, 9 insertions(+), 8 deletions(-)
>>
>> diff --git a/include/linux/page_owner.h b/include/linux/page_owner.h
>> index 3468794f83d2..215cbb159568 100644
>> --- a/include/linux/page_owner.h
>> +++ b/include/linux/page_owner.h
>> @@ -31,10 +31,11 @@ static inline void set_page_owner(struct page *page,
>> __set_page_owner(page, order, gfp_mask);
>> }
>>
>> -static inline void split_page_owner(struct page *page, unsigned int nr)
>> +static inline void split_page_owner(struct page *page, unsigned int nr,
>> + unsigned int new_order)
>> {
>> if (static_branch_unlikely(&page_owner_inited))
>> - __split_page_owner(page, nr);
>> + __split_page_owner(page, nr, new_order);
>
> Hm. Where do you correct __split_page_owner() declaration. I don't see it.
I missed it. Will add it. Thanks.
—
Best Regards,
Yan Zi
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