[RFC 04/12] net: page_pool: merge page_pool_release_page() with page_pool_return_page()
From: Jakub Kicinski <kuba@kernel.org>
Date: 2023-07-07 18:39:45
Subsystem:
networking [general], page pool, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Jesper Dangaard Brouer, Ilias Apalodimas, Linus Torvalds
Now that page_pool_release_page() is not exported we can merge it with page_pool_return_page(). I believe that the "Do not replace this with page_pool_return_page()" comment was there in case page_pool_return_page() was not inlined, to avoid two function calls. Signed-off-by: Jakub Kicinski <kuba@kernel.org> --- net/core/page_pool.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/net/core/page_pool.c b/net/core/page_pool.c
index 2c7cf5f2bcb8..7ca456bfab71 100644
--- a/net/core/page_pool.c
+++ b/net/core/page_pool.c@@ -492,7 +492,7 @@ static s32 page_pool_inflight(struct page_pool *pool) * a regular page (that will eventually be returned to the normal * page-allocator via put_page). */ -static void page_pool_release_page(struct page_pool *pool, struct page *page) +static void page_pool_return_page(struct page_pool *pool, struct page *page) { dma_addr_t dma; int count;
@@ -518,12 +518,6 @@ static void page_pool_release_page(struct page_pool *pool, struct page *page) */ count = atomic_inc_return_relaxed(&pool->pages_state_release_cnt); trace_page_pool_state_release(pool, page, count); -} - -/* Return a page to the page allocator, cleaning up our state */ -static void page_pool_return_page(struct page_pool *pool, struct page *page) -{ - page_pool_release_page(pool, page); put_page(page); /* An optimization would be to call __free_pages(page, pool->p.order)
@@ -615,9 +609,7 @@ __page_pool_put_page(struct page_pool *pool, struct page *page, * will be invoking put_page. */ recycle_stat_inc(pool, released_refcnt); - /* Do not replace this with page_pool_return_page() */ - page_pool_release_page(pool, page); - put_page(page); + page_pool_return_page(pool, page); return NULL; }
--
2.41.0