netdev - [net-next v3 01/10] page_pool: kconfig: Add flag for page pool stats

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Date:   Tue,  1 Feb 2022 17:12:07 -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
Cc:     Joe Damato <jdamato@...tly.com>
Subject: [net-next v3 01/10] page_pool: kconfig: Add flag for page pool stats

Control enabling / disabling page_pool_stats with a kernel config option.
Option is defaulted to N.

Signed-off-by: Joe Damato <jdamato@...tly.com>
---
 net/Kconfig | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/net/Kconfig b/net/Kconfig
index 8a1f9d0..604b3eb 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -434,6 +434,18 @@ config NET_DEVLINK
 config PAGE_POOL
 	bool
 
+config PAGE_POOL_STATS
+	default n
+	bool "Page pool stats"
+	depends on PAGE_POOL
+	help
+	  Enable page pool statistics to track allocations. Stats are exported
+	  to the file /proc/net/page_pool_stat. Users can examine these
+	  stats to better understand how their drivers and the kernel's
+	  page allocator, and the page pool interact with each other.
+
+	  If unsure, say N.
+
 config FAILOVER
 	tristate "Generic failover module"
 	help
-- 
2.7.4