From nobody Sun Feb 8 10:03:50 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 B91B333C533; Wed, 17 Dec 2025 12:16:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765973821; cv=none; b=iBE86aQxZEgvjv+jQc5QIKBb8mop+SmowP1bh6EhF6YtinQwZppZAn784ljDx+XjodazxVe+P3c6HMny8tAuCGzZ0xCjxiv7ljvs9P47Euzu2423nGCGCol5/fz9zOPUeQNo57W8xPkpqu98QHDU/d4Mvi1NZ6abiGtdoJI/EZM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765973821; c=relaxed/simple; bh=+N4sH+sHD/mZO0Dopjn0v7xWI8qX66vpH1TR36avIcM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=kkPforGC+B2l2iX+9l2lsLkFawvjBYnKx3IlnMS1hpzY3oNSrMTiCjWFzGp+8dCJGCb50NNuK1D0tQrkByr8wbnETWCyh2lgSt0T47o67cj2xmzNDNfrRzhAWuQytyiIbM4pIyW21Y15rgVawg9JF5cRzGcgvlP6rMvp1x9T6T0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PX/EJFlQ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PX/EJFlQ" Received: by smtp.kernel.org (Postfix) with ESMTPS id 2D4CCC113D0; Wed, 17 Dec 2025 12:16:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1765973819; bh=+N4sH+sHD/mZO0Dopjn0v7xWI8qX66vpH1TR36avIcM=; h=From:Date:Subject:To:Cc:From; b=PX/EJFlQdIuBgyDARQas6jPR6/RoewsC7HadKO+icTia7eEJOVUDgH0NHanwK6WHq I6+mma7n9dPpK9KaTnCyCwpZAnZKommqNmqvbkwq9Ki3KNRFSXNH5tdvE/oUQo5EdW R2FZAA9OBebqk4yxX6GN5ZOJRyQ6t09SlmQsrOw7+77kXujs+Ffvj8itQ0j8SrB1dA 3GTYsehdaup6CH/k4fBawqPNEg8KBHR9KcRkO/DjT5DloAhTjUjG3SAgJ2HYQxSELf 2sKvCVjwcsa1D0K77SP6ivJWUrN3szeBX5A9nrGfbd7VnarXM2RpW2ljzBCVwRM95u xQPoJ/l7DIoAQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 19AC2D65550; Wed, 17 Dec 2025 12:16:59 +0000 (UTC) From: Joel Granados Date: Wed, 17 Dec 2025 13:16:42 +0100 Subject: [PATCH v2] sysctl: Remove unused ctl_table forward declarations Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251217-jag-sysctl_fw_decl-v2-1-d917a73635bc@kernel.org> X-B4-Tracking: v=1; b=H4sIACmfQmkC/32NQQrDIBBFrxJmXUtHIrFd9R4lBDGjsRUNGtKG4 N1rc4Au34P//g6ZkqMMt2aHRKvLLoYK/NSAnlSwxNxYGfiFC+Qo2FNZlresFz+Y9zCS9kxI3aH sUGipoQ7nRMZ9juijrzy5vMS0HR8r/uzf3IoMGVdXZTrZttLI+4tSIH+OyUJfSvkCUBUTnLUAA AA= X-Change-ID: 20251215-jag-sysctl_fw_decl-58c718715c8c To: Alexander Viro , Christian Brauner , Jan Kara , Muchun Song , Oscar Salvador , David Hildenbrand , Petr Mladek , Steven Rostedt , John Ogness , Sergey Senozhatsky , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-hams@vger.kernel.org, netdev@vger.kernel.org, Joel Granados X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=4070; i=joel.granados@kernel.org; h=from:subject:message-id; bh=+N4sH+sHD/mZO0Dopjn0v7xWI8qX66vpH1TR36avIcM=; b=owJ4nAHtARL+kA0DAAoBupfNUreWQU8ByyZiAGlCnzn3+gSU0+j0UAVfyYseAC+Luiy67oOfV qoKl7xQ38Gdt4kBswQAAQoAHRYhBK5HCVcl5jElzssnkLqXzVK3lkFPBQJpQp85AAoJELqXzVK3 lkFP6CUL/2DCbeAT7eVMIUFZuqFbctu8L27EdqamYQi/f14ivfW67IvMpQd8Ecs34YCaZK0a57n VIl4Z4L0Ryr0Ft1STkGYh1/pbipbCooRk3yYNucpnyHHJZpNrh89htfwoo43BNMR7dR83TrEQT1 NCvvC0oKxZkeHvhidOVij1Z5Sbon0SHgnBuTRa23Nn8EGG+LqerkB/k0iFGtLGp5y7tFOruDgzo M0oGggM5rMfY2qCxSnYjSUAOLtYXznHU+hNAAxVC17o8jf8UZRRLLOkiADhHIqFTbZrTjP/2QAF O/A49Iw58uDNGcNHrvqfIOfHQ/O41LM1wXsCo5+0ijFAr9Ba0GMFlIjz3hCVO327HR792KjIf8H BjvCs2nQs+AX2XhGgZ+G+kS7SCm76yJr3Djq4RVTNN/0t9cFixWp93vjU1N6N20awGC38ev6EwK h0OwtNUDISj1y7LaFQgLFCXs+0yIZjVPe5uzzq5qMhx0RcXJUP/1kVq20J4OxdFpLO3aoZIsKW8 zo= X-Developer-Key: i=joel.granados@kernel.org; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for joel.granados@kernel.org/default with auth_id=239 Remove superfluous forward declarations of ctl_table from header files where they are no longer needed. These declarations were left behind after sysctl code refactoring and cleanup. Reviewed-by: Jan Kara Acked-by: Muchun Song Reviewed-by: Petr Mladek Signed-off-by: Joel Granados Acked-by: Paolo Abeni --- Apologies for such a big To: list. My idea is for this to go into mainline through sysctl; get back to me if you prefer otherwise. On the off chance that this has a V3, let me know if you want to be removed from the To and I'll make that happen --- Changes in v2: - Replaced a ctl_table forward declaration in kernel/printk/internal.h with an actual #include - Link to v1: https://lore.kernel.org/r/20251215-jag-sysctl_fw_decl-v1-1-2a= 9af78448f8@kernel.org --- include/linux/fs.h | 1 - include/linux/hugetlb.h | 2 -- include/linux/printk.h | 1 - include/net/ax25.h | 2 -- kernel/printk/internal.h | 2 +- kernel/printk/sysctl.c | 1 - 6 files changed, 1 insertion(+), 8 deletions(-) diff --git a/include/linux/fs.h b/include/linux/fs.h index 04ceeca12a0d5caadb68643bf68b7a78e17c08d4..77f6302fdced1ef7e61ec1b35be= d77c77b294124 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -3487,7 +3487,6 @@ ssize_t simple_attr_write(struct file *file, const ch= ar __user *buf, ssize_t simple_attr_write_signed(struct file *file, const char __user *buf, size_t len, loff_t *ppos); =20 -struct ctl_table; int __init list_bdev_fs_names(char *buf, size_t size); =20 #define __FMODE_EXEC ((__force int) FMODE_EXEC) diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 019a1c5281e4e6e04a9207dff7f7aa58c9669a80..18d1c4ecc4f948b179679b8fcc7= 870f3d466a4d9 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -16,8 +16,6 @@ #include #include =20 -struct ctl_table; -struct user_struct; struct mmu_gather; struct node; =20 diff --git a/include/linux/printk.h b/include/linux/printk.h index 45c663124c9bd3b294031d839f1253f410313faa..63d516c873b4c412eead6ee4eb9= f90a5c28f630c 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -78,7 +78,6 @@ extern void console_verbose(void); /* strlen("ratelimit") + 1 */ #define DEVKMSG_STR_MAX_SIZE 10 extern char devkmsg_log_str[DEVKMSG_STR_MAX_SIZE]; -struct ctl_table; =20 extern int suppress_printk; =20 diff --git a/include/net/ax25.h b/include/net/ax25.h index a7bba42dde153a2aeaf010a7ef8b48d39d15a835..beec9712e9c71d4be90acb6fc71= 13022527bc1ab 100644 --- a/include/net/ax25.h +++ b/include/net/ax25.h @@ -215,8 +215,6 @@ typedef struct { unsigned short slave_timeout; /* when? */ } ax25_dama_info; =20 -struct ctl_table; - typedef struct ax25_dev { struct list_head list; =20 diff --git a/kernel/printk/internal.h b/kernel/printk/internal.h index 5f5f626f427942ed8ea310f08c285775d8e095a6..29a3bd1799d426bc7b5ebdc28ff= 8b75214c57a57 100644 --- a/kernel/printk/internal.h +++ b/kernel/printk/internal.h @@ -4,9 +4,9 @@ */ #include #include +#include =20 #if defined(CONFIG_PRINTK) && defined(CONFIG_SYSCTL) -struct ctl_table; void __init printk_sysctl_init(void); int devkmsg_sysctl_set_loglvl(const struct ctl_table *table, int write, void *buffer, size_t *lenp, loff_t *ppos); diff --git a/kernel/printk/sysctl.c b/kernel/printk/sysctl.c index da77f3f5c1fe917d9ce2d777355403f123587757..f15732e93c2e9c0865c42e4af9c= b6458d4402c0a 100644 --- a/kernel/printk/sysctl.c +++ b/kernel/printk/sysctl.c @@ -3,7 +3,6 @@ * sysctl.c: General linux system control interface */ =20 -#include #include #include #include --- base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8 change-id: 20251215-jag-sysctl_fw_decl-58c718715c8c Best regards, --=20 Joel Granados