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mm: move free_unref_page to mm/internal.h
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Code outside mm/ should not be calling free_unref_page().  Also move
free_unref_page_list().

Link: https://lkml.kernel.org/r/20201125034655.27687-2-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Matthew Wilcox (Oracle) authored and Linus Torvalds committed Dec 15, 2020
1 parent 06517c9 commit 0966aeb
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Showing 2 changed files with 3 additions and 2 deletions.
2 changes: 0 additions & 2 deletions include/linux/gfp.h
Original file line number Diff line number Diff line change
Expand Up @@ -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);
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3 changes: 3 additions & 0 deletions mm/internal.h
Original file line number Diff line number Diff line change
Expand Up @@ -199,6 +199,9 @@ 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);

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