skbuff: constify skb_propagate_pfmemalloc() "page" argument

The function doesn't write anything to the page struct itself,
so this argument can be const.

Misc: align second argument to the brace while at it.

Signed-off-by: Alexander Lobakin <alobakin@pm.me>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 9313b5a..b027526 100644 (file)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2943,8 +2943,8 @@ static inline struct page *dev_alloc_page(void)
  *     @page: The page that was allocated from skb_alloc_page
  *     @skb: The skb that may need pfmemalloc set
  */
-static inline void skb_propagate_pfmemalloc(struct page *page,
-                                            struct sk_buff *skb)
+static inline void skb_propagate_pfmemalloc(const struct page *page,
+                                           struct sk_buff *skb)
 {
        if (page_is_pfmemalloc(page))
                skb->pfmemalloc = true;