linux-kernel - [PATCH v2 06/18] hugetlb: constify ctl_table arguments of utility functions

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Message-Id: <20231204-const-sysctl-v2-6-7a5060b11447@weissschuh.net>
Date:   Mon, 04 Dec 2023 08:52:19 +0100
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Kees Cook <keescook@...omium.org>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Iurii Zaikin <yzaikin@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Joel Granados <j.granados@...sung.com>
Cc:     linux-hardening@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH v2 06/18] hugetlb: constify ctl_table arguments of utility
 functions

In a future commit the proc_handlers themselves will change to
"const struct ctl_table". As a preparation for that adapt the internal
helpers.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 mm/hugetlb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 1169ef2f2176..2df21a295359 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -4835,7 +4835,7 @@ static unsigned int allowed_mems_nr(struct hstate *h)
 }
 
 #ifdef CONFIG_SYSCTL
-static int proc_hugetlb_doulongvec_minmax(struct ctl_table *table, int write,
+static int proc_hugetlb_doulongvec_minmax(const struct ctl_table *table, int write,
 					  void *buffer, size_t *length,
 					  loff_t *ppos, unsigned long *out)
 {
@@ -4852,7 +4852,7 @@ static int proc_hugetlb_doulongvec_minmax(struct ctl_table *table, int write,
 }
 
 static int hugetlb_sysctl_handler_common(bool obey_mempolicy,
-			 struct ctl_table *table, int write,
+			 const struct ctl_table *table, int write,
 			 void *buffer, size_t *length, loff_t *ppos)
 {
 	struct hstate *h = &default_hstate;

-- 
2.43.0