s390: simplify one level sysctl registration for cmm_table

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@kernel.org>
Link: https://lore.kernel.org/r/20230310234525.3986352-5-mcgrof@kernel.org
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index 9141ed4..5300c68 100644 (file)
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -335,16 +335,6 @@ static struct ctl_table cmm_table[] = {
        { }
 };
 
-static struct ctl_table cmm_dir_table[] = {
-       {
-               .procname       = "vm",
-               .maxlen         = 0,
-               .mode           = 0555,
-               .child          = cmm_table,
-       },
-       { }
-};
-
 #ifdef CONFIG_CMM_IUCV
 #define SMSG_PREFIX "CMM"
 static void cmm_smsg_target(const char *from, char *msg)
@@ -389,7 +379,7 @@ static int __init cmm_init(void)
 {
        int rc = -ENOMEM;
 
-       cmm_sysctl_header = register_sysctl_table(cmm_dir_table);
+       cmm_sysctl_header = register_sysctl("vm", cmm_table);
        if (!cmm_sysctl_header)
                goto out_sysctl;
 #ifdef CONFIG_CMM_IUCV