netdev - [PATCH 22/24] page_pool: Pass a netmem to init

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Date:   Wed, 30 Nov 2022 22:08:01 +0000
From:   "Matthew Wilcox (Oracle)" <willy@...radead.org>
To:     Jesper Dangaard Brouer <hawk@...nel.org>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>
Cc:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        netdev@...r.kernel.org, linux-mm@...ck.org
Subject: [PATCH 22/24] page_pool: Pass a netmem to init_callback()

Convert the only user of init_callback.

Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
---
 include/net/page_pool.h | 2 +-
 net/bpf/test_run.c      | 4 ++--
 net/core/page_pool.c    | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/net/page_pool.h b/include/net/page_pool.h
index e13e3a8e83d3..4878fe30f52c 100644
--- a/include/net/page_pool.h
+++ b/include/net/page_pool.h
@@ -164,7 +164,7 @@ struct page_pool_params {
 	enum dma_data_direction dma_dir; /* DMA mapping direction */
 	unsigned int	max_len; /* max DMA sync memory size */
 	unsigned int	offset;  /* DMA addr offset */
-	void (*init_callback)(struct page *page, void *arg);
+	void (*init_callback)(struct netmem *nmem, void *arg);
 	void *init_arg;
 };
 
diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c
index 6094ef7cffcd..921b085802af 100644
--- a/net/bpf/test_run.c
+++ b/net/bpf/test_run.c
@@ -116,9 +116,9 @@ struct xdp_test_data {
 #define TEST_XDP_FRAME_SIZE (PAGE_SIZE - sizeof(struct xdp_page_head))
 #define TEST_XDP_MAX_BATCH 256
 
-static void xdp_test_run_init_page(struct page *page, void *arg)
+static void xdp_test_run_init_page(struct netmem *nmem, void *arg)
 {
-	struct xdp_page_head *head = phys_to_virt(page_to_phys(page));
+	struct xdp_page_head *head = netmem_to_virt(nmem);
 	struct xdp_buff *new_ctx, *orig_ctx;
 	u32 headroom = XDP_PACKET_HEADROOM;
 	struct xdp_test_data *xdp = arg;
diff --git a/net/core/page_pool.c b/net/core/page_pool.c
index 5be78ec93af8..bed40515e74c 100644
--- a/net/core/page_pool.c
+++ b/net/core/page_pool.c
@@ -334,7 +334,7 @@ static void page_pool_set_pp_info(struct page_pool *pool,
 	nmem->pp = pool;
 	nmem->pp_magic |= PP_SIGNATURE;
 	if (pool->p.init_callback)
-		pool->p.init_callback(netmem_page(nmem), pool->p.init_arg);
+		pool->p.init_callback(nmem, pool->p.init_arg);
 }
 
 static void page_pool_clear_pp_info(struct netmem *nmem)
-- 
2.35.1