From patchwork Fri Mar 15 20:48:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13594050 Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AB9DF1EB48; Fri, 15 Mar 2024 20:48:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.69.126.157 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710535710; cv=none; b=Haap+C0hpaRg/BFhIZ25vw8TW+L6IFOAHfvtLXnYn3sE5zKhO7SVanzxS5mstI+9PdqkClVSZAsinq5rvPAWA9B76/QzkF+DWAn1NmhJXAgTgvirkLPgfhhVKijQis6NyMddez0+30mbJqL8+4FBA6fk+ZOpoPrbElL6ycfkc6E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710535710; c=relaxed/simple; bh=ZA8n2/koLk8T5EEGrZrQe3HTqPjD2IuDJPJOoTgLjZQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=P29bstIaCi4WdbFLgd/wg5uZsfCS0PPzxJply/TteRzE7nOvG+D7eWNzbkpIRbEuXLFfUnzU1KjziHgUJeEN0JSWAkg0EusZm4CBRnU0KawC8M2JXzjwF+p1JLJeOj56IHTZfEvjil4FeaR/CPd7ioLIqN0Bx6AJ0hsHf1mz4Co= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=weissschuh.net; spf=pass smtp.mailfrom=weissschuh.net; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b=Sq8LvcBI; arc=none smtp.client-ip=159.69.126.157 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b="Sq8LvcBI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1710535697; bh=ZA8n2/koLk8T5EEGrZrQe3HTqPjD2IuDJPJOoTgLjZQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Sq8LvcBI7p1gv8YF+Fl6E9SHh6cG4uM9FEK2x/Wqq1z2lsOrhhz5yQNS/tUAIK6jL zaTESlVFyFVTGgnfO0nn5yRM2Yc0itbSdfIy/O/NbQJVPCSWx7t53jzls8LBlYOeHK IrYN0Ex/0XRwb/4piozxul/b2C8P/gHg2Vl5ibj4= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Fri, 15 Mar 2024 21:48:01 +0100 Subject: [PATCH 03/11] hugetlb: constify ctl_table arguments of utility functions Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240315-sysctl-const-handler-v1-3-1322ac7cb03d@weissschuh.net> References: <20240315-sysctl-const-handler-v1-0-1322ac7cb03d@weissschuh.net> In-Reply-To: <20240315-sysctl-const-handler-v1-0-1322ac7cb03d@weissschuh.net> To: Greg Kroah-Hartman , Kees Cook , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Muchun Song , Andrew Morton , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , David Ahern , Simon Horman , Julian Anastasov , Pablo Neira Ayuso , Jozsef Kadlecsik , Florian Westphal , Luis Chamberlain , Joel Granados , Catalin Marinas , Will Deacon , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Gerald Schaefer , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Phillip Potter , Theodore Ts'o , "Jason A. Donenfeld" , Sudip Mukherjee , Mark Rutland , Atish Patra , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexander Viro , Christian Brauner , Jan Kara , Eric Biederman , Chandan Babu R , "Darrick J. Wong" , Steven Rostedt , Masami Hiramatsu , Peter Zijlstra , Arnaldo Carvalho de Melo , Namhyung Kim , Alexander Shishkin , Ian Rogers , Adrian Hunter , Balbir Singh , "Naveen N. Rao" , Anil S Keshavamurthy , Petr Mladek , John Ogness , Sergey Senozhatsky , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Andy Lutomirski , Will Drewry , John Stultz , Stephen Boyd , Mathieu Desnoyers , "Matthew Wilcox (Oracle)" , Roopa Prabhu , Nikolay Aleksandrov , Remi Denis-Courmont , Allison Henderson , Marcelo Ricardo Leitner , Xin Long , Chuck Lever , Jeff Layton , Neil Brown , Olga Kornievskaia , Dai Ngo , Tom Talpey , Trond Myklebust , Anna Schumaker , John Johansen , Paul Moore , James Morris , "Serge E. Hallyn" , Alexander Popov Cc: linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, lvs-devel@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, linux-fsdevel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-xfs@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, kexec@lists.infradead.org, bridge@lists.linux.dev, linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com, linux-sctp@vger.kernel.org, linux-nfs@vger.kernel.org, apparmor@lists.ubuntu.com, linux-security-module@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1710535695; l=1138; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=ZA8n2/koLk8T5EEGrZrQe3HTqPjD2IuDJPJOoTgLjZQ=; b=boZ4t6eOPk3Dljh4IP0PKWoLOxGtOLAXof5Zxa1r9XXXItitoJuOMZutWnuJAn75hjXtWjz0B 7PQefNn5iOMATogPVExj5hPohFmPOE42B/+MU7bt9FL5JEbL5sxkIfe X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= 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 --- mm/hugetlb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 23ef240ba48a..b0d89ab98eaa 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -4929,7 +4929,7 @@ 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) { @@ -4946,7 +4946,7 @@ 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;