[PATCH] mm: move get_page_from_free_area() to mm/page_alloc.c

From: Mike Rapoport
Date: Sun Mar 19 2023 - 07:42:35 EST


From: "Mike Rapoport (IBM)" <rppt@xxxxxxxxxx>

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

Signed-off-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
---
include/linux/mmzone.h | 7 -------
mm/page_alloc.c | 7 +++++++
2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 96599cb9eb62..8f5a9e2c722a 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -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]);
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 87d760236dba..2e72fdbdd8db 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -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

base-commit: 4018ab1f7cec061b8425737328edefebdc0ab832
--
2.35.1