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From: Jakub Kicinski <kuba@kernel.org>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com,
	Jakub Kicinski <kuba@kernel.org>,
	hawk@kernel.org, ilias.apalodimas@linaro.org
Subject: [PATCH net-next 4/4] net: page_pool: merge page_pool_release_page() with page_pool_return_page()
Date: Wed, 19 Jul 2023 18:04:09 -0700	[thread overview]
Message-ID: <20230720010409.1967072-5-kuba@kernel.org> (raw)
In-Reply-To: <20230720010409.1967072-1-kuba@kernel.org>

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>
---
CC: hawk@kernel.org
CC: ilias.apalodimas@linaro.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


  parent reply	other threads:[~2023-07-20  1:04 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-20  1:04 [PATCH net-next 0/4] net: page_pool: remove page_pool_release_page() Jakub Kicinski
2023-07-20  1:04 ` [PATCH net-next 1/4] eth: tsnep: let page recycling happen with skbs Jakub Kicinski
2023-07-20 11:55   ` Yunsheng Lin
2023-07-20  1:04 ` [PATCH net-next 2/4] eth: stmmac: " Jakub Kicinski
2023-07-20 12:02   ` Yunsheng Lin
2023-07-20  1:04 ` [PATCH net-next 3/4] net: page_pool: hide page_pool_release_page() Jakub Kicinski
2023-07-20 12:08   ` Yunsheng Lin
2023-07-24 10:36   ` Ilias Apalodimas
2023-07-20  1:04 ` Jakub Kicinski [this message]
2023-07-20 12:20   ` [PATCH net-next 4/4] net: page_pool: merge page_pool_release_page() with page_pool_return_page() Yunsheng Lin
2023-07-24 10:38   ` Ilias Apalodimas
2023-07-20 14:28 ` [PATCH net-next 0/4] net: page_pool: remove page_pool_release_page() Alexander Lobakin
2023-07-22  2:10 ` patchwork-bot+netdevbpf

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