Re: [PATCH 1/2] mm/page_alloc: Move free_the_page

From: Vlastimil Babka
Date: Thu Jun 03 2021 - 07:12:29 EST


On 6/3/21 10:46 AM, Mel Gorman wrote:
> In the next page, free_compount_page is going to use the common helper
> free_the_page. This patch moves the definition to ease review. No
> functional change.
>
> Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>

Acked-by: Vlastimil Babka <vbabka@xxxxxxx>

> ---
> mm/page_alloc.c | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 4c468aa596aa..99ddac0ffece 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -687,6 +687,14 @@ static void bad_page(struct page *page, const char *reason)
> add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
> }
>
> +static inline void free_the_page(struct page *page, unsigned int order)
> +{
> + if (order == 0) /* Via pcp? */
> + free_unref_page(page);
> + else
> + __free_pages_ok(page, order, FPI_NONE);
> +}
> +
> /*
> * Higher-order pages are called "compound pages". They are structured thusly:
> *
> @@ -5345,14 +5353,6 @@ unsigned long get_zeroed_page(gfp_t gfp_mask)
> }
> EXPORT_SYMBOL(get_zeroed_page);
>
> -static inline void free_the_page(struct page *page, unsigned int order)
> -{
> - if (order == 0) /* Via pcp? */
> - free_unref_page(page);
> - else
> - __free_pages_ok(page, order, FPI_NONE);
> -}
> -
> /**
> * __free_pages - Free pages allocated with alloc_pages().
> * @page: The page pointer returned from alloc_pages().
>