[PATCH v3 11/26] page_pool: Convert page_pool_empty_ring() to use netmem

From
Matthew Wilcox (Oracle) <willy@infradead.org>
Date
2023-01-11 04:22:28
Also in
linux-mm
Reply to
Matthew Wilcox (Oracle), 2023-01-11
Retrieve a netmem from the ptr_ring instead of a page.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Jesper Dangaard Brouer <redacted>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Jesse Brandeburg <redacted>
---
 net/core/page_pool.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/net/core/page_pool.c b/net/core/page_pool.c
index e727a74504c2..0212244e07e7 100644
--- a/net/core/page_pool.c
+++ b/net/core/page_pool.c
@@ -755,16 +755,16 @@ EXPORT_SYMBOL(page_pool_alloc_frag);
 
 static void page_pool_empty_ring(struct page_pool *pool)
 {
-	struct page *page;
+	struct netmem *nmem;
 
 	/* Empty recycle ring */
-	while ((page = ptr_ring_consume_bh(&pool->ring))) {
+	while ((nmem = ptr_ring_consume_bh(&pool->ring)) != NULL) {
 		/* Verify the refcnt invariant of cached pages */
-		if (!(page_ref_count(page) == 1))
+		if (netmem_ref_count(nmem) != 1)
 			pr_crit("%s() page_pool refcnt %d violation\n",
-				__func__, page_ref_count(page));
+				__func__, netmem_ref_count(nmem));
 
-		page_pool_return_page(pool, page);
+		page_pool_return_netmem(pool, nmem);
 	}
 }
 
-- 
2.35.1
Thread (41 messages) 41 messages, 5 authors, last reply 2023-01-15
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