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Fri, 12 Sep 2025 17:46:33 -0700 (PDT) From: Askar Safin To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Linus Torvalds , Greg Kroah-Hartman , Christian Brauner , Al Viro , Jan Kara , Christoph Hellwig , Jens Axboe , Andy Shevchenko , Aleksa Sarai , =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= , Julian Stecklina , Gao Xiang , Art Nikpal , Andrew Morton , Eric Curtin , Alexander Graf , Rob Landley , Lennart Poettering , linux-arch@vger.kernel.org, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, x86@kernel.org, Ingo Molnar , linux-block@vger.kernel.org, initramfs@vger.kernel.org, linux-api@vger.kernel.org, linux-doc@vger.kernel.org, linux-efi@vger.kernel.org, linux-ext4@vger.kernel.org, "Theodore Y . Ts'o" , linux-acpi@vger.kernel.org, Michal Simek , devicetree@vger.kernel.org, Luis Chamberlain , Kees Cook , Thorsten Blum , Heiko Carstens , patches@lists.linux.dev Subject: [PATCH RESEND 06/62] arm: init: remove special logic for setting brd.rd_size Date: Sat, 13 Sep 2025 00:37:45 +0000 Message-ID: <20250913003842.41944-7-safinaskar@gmail.com> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250913003842.41944-1-safinaskar@gmail.com> References: <20250913003842.41944-1-safinaskar@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" There is no any reason for having special mechanism for setting ramdisk size. Also this allows us to change rd_size variable to static Signed-off-by: Askar Safin --- arch/arm/kernel/atags_parse.c | 12 ------------ drivers/block/brd.c | 8 ++++---- include/linux/initrd.h | 3 --- 3 files changed, 4 insertions(+), 19 deletions(-) diff --git a/arch/arm/kernel/atags_parse.c b/arch/arm/kernel/atags_parse.c index a3f0a4f84e04..615d9e83c9b5 100644 --- a/arch/arm/kernel/atags_parse.c +++ b/arch/arm/kernel/atags_parse.c @@ -87,18 +87,6 @@ static int __init parse_tag_videotext(const struct tag *= tag) __tagtable(ATAG_VIDEOTEXT, parse_tag_videotext); #endif =20 -#ifdef CONFIG_BLK_DEV_RAM -static int __init parse_tag_ramdisk(const struct tag *tag) -{ - if (tag->u.ramdisk.size) - rd_size =3D tag->u.ramdisk.size; - - return 0; -} - -__tagtable(ATAG_RAMDISK, parse_tag_ramdisk); -#endif - static int __init parse_tag_serialnr(const struct tag *tag) { system_serial_low =3D tag->u.serialnr.low; diff --git a/drivers/block/brd.c b/drivers/block/brd.c index 0c2eabe14af3..72f02d2b8a99 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -27,6 +27,10 @@ =20 #include =20 +static unsigned long rd_size =3D CONFIG_BLK_DEV_RAM_SIZE; +module_param(rd_size, ulong, 0444); +MODULE_PARM_DESC(rd_size, "Size of each RAM disk in kbytes."); + /* * Each block ramdisk device has a xarray brd_pages of pages that stores * the pages containing the block device's contents. @@ -209,10 +213,6 @@ static int rd_nr =3D CONFIG_BLK_DEV_RAM_COUNT; module_param(rd_nr, int, 0444); MODULE_PARM_DESC(rd_nr, "Maximum number of brd devices"); =20 -unsigned long rd_size =3D CONFIG_BLK_DEV_RAM_SIZE; -module_param(rd_size, ulong, 0444); -MODULE_PARM_DESC(rd_size, "Size of each RAM disk in kbytes."); - static int max_part =3D 1; module_param(max_part, int, 0444); MODULE_PARM_DESC(max_part, "Num Minors to reserve between devices"); diff --git a/include/linux/initrd.h b/include/linux/initrd.h index 6320a9cb6686..b42235c21444 100644 --- a/include/linux/initrd.h +++ b/include/linux/initrd.h @@ -5,9 +5,6 @@ =20 #define INITRD_MINOR 250 /* shouldn't collide with /dev/ram* too soon ... = */ =20 -/* size of a single RAM disk */ -extern unsigned long rd_size; - /* 1 if it is not an error if initrd_start < memory_start */ extern int initrd_below_start_ok; =20 --=20 2.47.2