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

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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: Mike Rapoport (IBM) <rppt@kernel.org>
Reviewed-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Mike Rapoport (IBM) 2023-03-19 13:42:14 +02:00 committed by Andrew Morton
parent 53d36a56d8
commit 5d671eb4ef
2 changed files with 7 additions and 7 deletions
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7
include/linux/mmzone.h
View File

@ -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]);

7
mm/page_alloc.c
View File

@ -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