Add kernel-docs to free_pages(). This will help callers understand when to use it instead of __free_pages(). Signed-off-by: Vishal Moola (Oracle) Reviewed-by: Matthew Wilcox (Oracle) Acked-by: SeongJae Park --- mm/page_alloc.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index c2a254d877f8..0277b86b62ac 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5269,6 +5269,15 @@ void free_pages_nolock(struct page *page, unsigned int order) ___free_pages(page, order, FPI_TRYLOCK); } +/** + * free_pages - Free pages allocated with __get_free_pages(). + * @addr: The virtual address tied to a page returned from __get_free_pages(). + * @order: The order of the allocation. + * + * This function behaves the same as __free_pages(). Use this function + * to free pages when you only have a valid virtual address. If you have + * the page, call __free_pages() instead. + */ void free_pages(unsigned long addr, unsigned int order) { if (addr != 0) { -- 2.51.0