Re: [PATCH v2 09/24] page_pool: Convert page_pool_defrag_page() to page_pool_defrag_netmem()

Add a page_pool_defrag_page() wrapper.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 include/net/page_pool.h | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/include/net/page_pool.h b/include/net/page_pool.h
index 63aa530922de..8fe494166427 100644
--- a/include/net/page_pool.h
+++ b/include/net/page_pool.h

@@ -393,7 +393,7 @@ static inline void page_pool_fragment_page(struct page *page, long nr)
 	atomic_long_set(&page->pp_frag_count, nr);
 }

-static inline long page_pool_defrag_page(struct page *page, long nr)
+static inline long page_pool_defrag_netmem(struct netmem *nmem, long nr)
 {
 	long ret;

@@ -406,14 +406,19 @@ static inline long page_pool_defrag_page(struct page *page, long nr)
 	 * especially when dealing with a page that may be partitioned
 	 * into only 2 or 3 pieces.
 	 */
-	if (atomic_long_read(&page->pp_frag_count) == nr)
+	if (atomic_long_read(&nmem->pp_frag_count) == nr)
 		return 0;

-	ret = atomic_long_sub_return(nr, &page->pp_frag_count);
+	ret = atomic_long_sub_return(nr, &nmem->pp_frag_count);
 	WARN_ON(ret < 0);
 	return ret;
 }

+static inline long page_pool_defrag_page(struct page *page, long nr)
+{
+	return page_pool_defrag_netmem(page_netmem(page), nr);
+}
+
 static inline bool page_pool_is_last_frag(struct page_pool *pool,
 					  struct page *page)
 {
--

2.35.1