linux-kernel - [PATCH 5/6] s390: simplify one-level sysctl registration for page_table

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Message-Id: <20230310234525.3986352-6-mcgrof@kernel.org>
Date:   Fri, 10 Mar 2023 15:45:24 -0800
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     hca@...ux.ibm.com, agordeev@...ux.ibm.com,
        borntraeger@...ux.ibm.com, svens@...ux.ibm.com,
        linux-s390@...r.kernel.org, sudipm.mukherjee@...il.com
Cc:     ebiederm@...ssion.com, keescook@...omium.org, yzaikin@...gle.com,
        j.granados@...sung.com, patches@...ts.linux.dev,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Luis Chamberlain <mcgrof@...nel.org>
Subject: [PATCH 5/6] s390: simplify one-level sysctl registration for page_table_sysctl

There is no need to declare an extra tables to just create directory,
this can be easily be done with a prefix path with register_sysctl().

Simplify this registration.

Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>
---
 arch/s390/mm/pgalloc.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c
index 2de48b2c1b04..0f68b7257e08 100644
--- a/arch/s390/mm/pgalloc.c
+++ b/arch/s390/mm/pgalloc.c
@@ -33,19 +33,9 @@ static struct ctl_table page_table_sysctl[] = {
 	{ }
 };
 
-static struct ctl_table page_table_sysctl_dir[] = {
-	{
-		.procname	= "vm",
-		.maxlen		= 0,
-		.mode		= 0555,
-		.child		= page_table_sysctl,
-	},
-	{ }
-};
-
 static int __init page_table_register_sysctl(void)
 {
-	return register_sysctl_table(page_table_sysctl_dir) ? 0 : -ENOMEM;
+	return register_sysctl("vm", page_table_sysctl) ? 0 : -ENOMEM;
 }
 __initcall(page_table_register_sysctl);
 
-- 
2.39.1