netdev - [net-next v4 02/11] page_pool: Add per-pool-per-cpu struct.

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Message-Id: <1643933373-6590-3-git-send-email-jdamato@fastly.com>
Date:   Thu,  3 Feb 2022 16:09:24 -0800
From:   Joe Damato <jdamato@...tly.com>
To:     netdev@...r.kernel.org, kuba@...nel.org,
        ilias.apalodimas@...aro.org, davem@...emloft.net, hawk@...nel.org,
        saeed@...nel.org, ttoukan.linux@...il.com, brouer@...hat.com
Cc:     Joe Damato <jdamato@...tly.com>
Subject: [net-next v4 02/11] page_pool: Add per-pool-per-cpu struct.

A per pool per cpu struct is added. Empty for now as members will be added
next.

Signed-off-by: Joe Damato <jdamato@...tly.com>
---
 include/net/page_pool.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/net/page_pool.h b/include/net/page_pool.h
index 79a8055..93e587d 100644
--- a/include/net/page_pool.h
+++ b/include/net/page_pool.h
@@ -135,7 +135,15 @@ struct page_pool {
 	refcount_t user_cnt;
 
 	u64 destroy_cnt;
+#ifdef CONFIG_PAGE_POOL_STATS
+	struct page_pool_stats __percpu *stats;
+#endif
+};
+
+#ifdef CONFIG_PAGE_POOL_STATS
+struct page_pool_stats {
 };
+#endif
 
 struct page *page_pool_alloc_pages(struct page_pool *pool, gfp_t gfp);
 
-- 
2.7.4