Commit 5d671eb4 authored by Mike Rapoport (IBM)'s avatar Mike Rapoport (IBM) Committed by Andrew Morton
Browse files

mm: move get_page_from_free_area() to mm/page_alloc.c 

The get_page_from_free_area() helper is only used in mm/page_alloc.c so
move it there to reduce noise in include/linux/mmzone.h

Link: https://lkml.kernel.org/r/20230319114214.2133332-1-rppt@kernel.org


Signed-off-by: default avatarMike Rapoport (IBM) <rppt@kernel.org>
Reviewed-by: default avatarLorenzo Stoakes <lstoakes@gmail.com>
Acked-by: default avatarKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 53d36a56

include/linux/mmzone.h

+0 −7
Original line number Diff line number Diff line
@@ -108,13 +108,6 @@ struct free_area { 
	unsigned long		nr_free;

};



static inline struct page *get_page_from_free_area(struct free_area *area,

					    int migratetype)

{

	return list_first_entry_or_null(&area->free_list[migratetype],

					struct page, lru);

}



static inline bool free_area_empty(struct free_area *area, int migratetype)

{

	return list_empty(&area->free_list[migratetype]);

mm/page_alloc.c

+7 −0
Original line number Diff line number Diff line
@@ -1048,6 +1048,13 @@ static inline void del_page_from_free_list(struct page *page, struct zone *zone, 
	zone->free_area[order].nr_free--;

}



static inline struct page *get_page_from_free_area(struct free_area *area,

					    int migratetype)

{

	return list_first_entry_or_null(&area->free_list[migratetype],

					struct page, lru);

}



/*

 * If this is not the largest possible page, check if the buddy

 * of the next-highest order is free. If it is, it's possible