[PATCH 2/2] mm: Move free_unref_page to mm/internal.h

Matthew Wilcox (Oracle)
2020-11-25T03:47:31Z

Code outside mm/ should not be calling free_unref_page(). Also
move free_unref_page_list().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
include/linux/gfp.h | 2 --
mm/internal.h | 3 +++
2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index c603237e006c..6e479e9c48ce 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -580,8 +580,6 @@ void * __meminit alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask);

extern void __free_pages(struct page *page, unsigned int order);
extern void free_pages(unsigned long addr, unsigned int order);
-extern void free_unref_page(struct page *page);
-extern void free_unref_page_list(struct list_head *list);

struct page_frag_cache;
extern void __page_frag_cache_drain(struct page *page, unsigned int count);
diff --git a/mm/internal.h b/mm/internal.h
index 75ae680d0a2c..5864815947fe 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -201,6 +201,9 @@ extern void post_alloc_hook(struct page *page, unsigned int order,
gfp_t gfp_flags);
extern int user_min_free_kbytes;

+extern void free_unref_page(struct page *page);
+extern void free_unref_page_list(struct list_head *list);
+
extern void zone_pcp_update(struct zone *zone);
extern void zone_pcp_reset(struct zone *zone);
extern void zone_pcp_disable(struct zone *zone);
--
2.29.2