[RFC PATCH 11/39] sysctl: store message-queue sysctl bounds by value

[wen . yang]

From: Wen Yang <wen.yang@xxxxxxxxx>

Replace message-queue bound pointers with numeric limits.

Suggested-by: Joel Granados <joel.granados@xxxxxxxxxx>
Signed-off-by: Wen Yang <wen.yang@xxxxxxxxx>
---
 ipc/mq_sysctl.c | 22 ++++++++--------------
 1 file changed, 8 insertions(+), 14 deletions(-)

diff --git a/ipc/mq_sysctl.c b/ipc/mq_sysctl.c
index 0dd12e1c9f53..cf0efc168ce6 100644
--- a/ipc/mq_sysctl.c
+++ b/ipc/mq_sysctl.c
@@ -14,12 +14,6 @@
 #include <linux/slab.h>
 #include <linux/cred.h>
 
-static int msg_max_limit_min = MIN_MSGMAX;
-static int msg_max_limit_max = HARD_MSGMAX;
-
-static int msg_maxsize_limit_min = MIN_MSGSIZEMAX;
-static int msg_maxsize_limit_max = HARD_MSGSIZEMAX;
-
 static const struct ctl_table mq_sysctls[] = {
 	{
 		.procname	= "queues_max",
@@ -34,8 +28,8 @@ static const struct ctl_table mq_sysctls[] = {
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_minmax,
-		.extra1		= &msg_max_limit_min,
-		.extra2		= &msg_max_limit_max,
+		.min		= MIN_MSGMAX,
+		.max		= HARD_MSGMAX,
 	},
 	{
 		.procname	= "msgsize_max",
@@ -43,8 +37,8 @@ static const struct ctl_table mq_sysctls[] = {
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_minmax,
-		.extra1		= &msg_maxsize_limit_min,
-		.extra2		= &msg_maxsize_limit_max,
+		.min		= MIN_MSGSIZEMAX,
+		.max		= HARD_MSGSIZEMAX,
 	},
 	{
 		.procname	= "msg_default",
@@ -52,8 +46,8 @@ static const struct ctl_table mq_sysctls[] = {
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_minmax,
-		.extra1		= &msg_max_limit_min,
-		.extra2		= &msg_max_limit_max,
+		.min		= MIN_MSGMAX,
+		.max		= HARD_MSGMAX,
 	},
 	{
 		.procname	= "msgsize_default",
@@ -61,8 +55,8 @@ static const struct ctl_table mq_sysctls[] = {
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_minmax,
-		.extra1		= &msg_maxsize_limit_min,
-		.extra2		= &msg_maxsize_limit_max,
+		.min		= MIN_MSGSIZEMAX,
+		.max		= HARD_MSGSIZEMAX,
 	},
 };
 
-- 
2.25.1