From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> Subject: mm: move free_unref_page to mm/internal.h 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@xxxxxxxxxxxxx Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> Reviewed-by: Mike Rapoport <rppt@xxxxxxxxxxxxx> Acked-by: Vlastimil Babka <vbabka@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/gfp.h | 2 -- mm/internal.h | 3 +++ 2 files changed, 3 insertions(+), 2 deletions(-) --- a/include/linux/gfp.h~mm-move-free_unref_page-to-mm-internalh +++ a/include/linux/gfp.h @@ -580,8 +580,6 @@ void * __meminit alloc_pages_exact_nid(i 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); --- a/mm/internal.h~mm-move-free_unref_page-to-mm-internalh +++ a/mm/internal.h @@ -199,6 +199,9 @@ extern void post_alloc_hook(struct page 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); _
