linux-kernel - [RFC 12/19] netmem: introduce page_pool_recycle_direct

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Message-Id: <20250509115126.63190-13-byungchul@sk.com>
Date: Fri,  9 May 2025 20:51:19 +0900
From: Byungchul Park <byungchul@...com>
To: willy@...radead.org,
	netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	kernel_team@...ynix.com,
	kuba@...nel.org,
	almasrymina@...gle.com,
	ilias.apalodimas@...aro.org,
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	akpm@...ux-foundation.org,
	ast@...nel.org,
	daniel@...earbox.net,
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	andrew+netdev@...n.ch,
	edumazet@...gle.com,
	pabeni@...hat.com,
	vishal.moola@...il.com
Subject: [RFC 12/19] netmem: introduce page_pool_recycle_direct_netmem()

All the callers to page_pool_recycle_direct() need to be converted to
use netmem descriptor and API instead of struct page things.

As part of the work, introduce page_pool_recycle_direct_netmem()
allowing the callers to use netmem descriptor and API.

Signed-off-by: Byungchul Park <byungchul@...com>
---
 include/net/page_pool/helpers.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/net/page_pool/helpers.h b/include/net/page_pool/helpers.h
index 582a3d00cbe23..9b7a3a996bbea 100644
--- a/include/net/page_pool/helpers.h
+++ b/include/net/page_pool/helpers.h
@@ -395,6 +395,12 @@ static inline void page_pool_recycle_direct(struct page_pool *pool,
 	page_pool_put_full_page(pool, page, true);
 }
 
+static inline void page_pool_recycle_direct_netmem(struct page_pool *pool,
+						   netmem_ref netmem)
+{
+	page_pool_put_full_netmem(pool, netmem, true);
+}
+
 #define PAGE_POOL_32BIT_ARCH_WITH_64BIT_DMA	\
 		(sizeof(dma_addr_t) > sizeof(unsigned long))
 
-- 
2.17.1