[PATCH v2 7/9] epoll: delete these unnecessary static variables long_zero and long_max

[wenyang . linux]

From: Wen Yang <wenyang.linux@xxxxxxxxxxx>

Delete unnecessary static variables (long_zero and long_max)
and encode them directly in the table entry.

Signed-off-by: Wen Yang <wenyang.linux@xxxxxxxxxxx>
Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
Cc: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Joel Granados <j.granados@xxxxxxxxxxx>
Cc: Christian Brauner <brauner@xxxxxxxxxx>
Cc: Jan Kara <jack@xxxxxxx>
Cc: "Darrick J. Wong" <djwong@xxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
 fs/eventpoll.c | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 3534d36a1474..7cfc4fb0ca3c 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -309,19 +309,14 @@ static void unlist_file(struct epitems_head *head)
 
 #include <linux/sysctl.h>
 
-static long long_zero;
-static long long_max = LONG_MAX;
-
 static struct ctl_table epoll_table[] = {
-	{
-		.procname	= "max_user_watches",
-		.data		= &max_user_watches,
-		.maxlen		= sizeof(max_user_watches),
-		.mode		= 0644,
-		.proc_handler	= proc_doulongvec_minmax,
-		.extra1		= &long_zero,
-		.extra2		= &long_max,
-	},
+	CTL_TABLE_ENTRY_MINMAX("max_user_watches",
+				&max_user_watches,
+				sizeof(max_user_watches),
+				0644,
+				proc_doulongvec_minmax,
+				SYSCTL_NUMERIC_ZERO,
+				SYSCTL_NUMERIC_LONG_MAX),
 };
 
 static void __init epoll_sysctls_init(void)
-- 
2.25.1