netdev - [PATCH io_uring for-6.18 03/20] io_uring/zcrx: use page_pool_unref_and

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <5d7e0f7c0dd6da6df218b5ac249fa0e1a053f4c4.1758030357.git.asml.silence@gmail.com>
Date: Tue, 16 Sep 2025 15:27:46 +0100
From: Pavel Begunkov <asml.silence@...il.com>
To: io-uring@...r.kernel.org
Cc: asml.silence@...il.com,
	axboe@...nel.dk,
	netdev@...r.kernel.org
Subject: [PATCH io_uring for-6.18 03/20] io_uring/zcrx: use page_pool_unref_and_test()

page_pool_unref_and_test() tries to better follow usuall refcount
semantics, use it instead of page_pool_unref_netmem().

Signed-off-by: Pavel Begunkov <asml.silence@...il.com>
---
 io_uring/zcrx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/io_uring/zcrx.c b/io_uring/zcrx.c
index a4a0560e8269..bd2fb3688432 100644
--- a/io_uring/zcrx.c
+++ b/io_uring/zcrx.c
@@ -787,7 +787,7 @@ static void io_zcrx_ring_refill(struct page_pool *pp,
 			continue;
 
 		netmem = net_iov_to_netmem(niov);
-		if (page_pool_unref_netmem(netmem, 1) != 0)
+		if (!page_pool_unref_and_test(netmem))
 			continue;
 
 		if (unlikely(niov->pp != pp)) {
-- 
2.49.0