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CONFIG_BLK_DEV_INITRD: Initial RAM filesystem and RAM disk (initramfs/initrd) support

General informations

The Linux kernel configuration item CONFIG_BLK_DEV_INITRD has multiple definitions:

Initial RAM disk (initrd) support found in arch/sparc/Kconfig

The configuration item CONFIG_BLK_DEV_INITRD:

Help text

The initial RAM disk is a RAM disk that is loaded by the boot loader (loadlin or lilo) and that is mounted as root before the normal boot procedure. It is typically used to load modules needed to mount the "real" root file system, etc. See Documentation/initrd.txt for details.

Initial RAM disk (initrd) support found in arch/sparc64/Kconfig

The configuration item CONFIG_BLK_DEV_INITRD:

Help text

The initial RAM disk is a RAM disk that is loaded by the boot loader (loadlin or lilo) and that is mounted as root before the normal boot procedure. It is typically used to load modules needed to mount the "real" root file system, etc. See Documentation/initrd.txt for details.

Initial RAM disk (initrd) support found in arch/um/Kconfig_block

The configuration item CONFIG_BLK_DEV_INITRD:

Help text

(none)

Initial RAM disk (initrd) support found in drivers/block/Kconfig

The configuration item CONFIG_BLK_DEV_INITRD:

Help text

The initial RAM disk is a RAM disk that is loaded by the boot loader (loadlin or lilo) and that is mounted as root before the normal boot procedure. It is typically used to load modules needed to mount the "real" root file system, etc. See Documentation/initrd.txt for details.

Initial RAM filesystem and RAM disk (initramfs/initrd) support found in drivers/block/Kconfig

The configuration item CONFIG_BLK_DEV_INITRD:

Help text

The initial RAM filesystem is a ramfs which is loaded by the boot loader (loadlin or lilo) and that is mounted as root before the normal boot procedure. It is typically used to load modules needed to mount the "real" root file system, etc. See Documentation/initrd.txt for details.

If RAM disk support (BLK_DEV_RAM) is also included, this also enables initial RAM disk (initrd) support.

Initial RAM filesystem and RAM disk (initramfs/initrd) support found in init/Kconfig

The configuration item CONFIG_BLK_DEV_INITRD:

Help text

The initial RAM filesystem is a ramfs which is loaded by the boot loader (loadlin or lilo) and that is mounted as root before the normal boot procedure. It is typically used to load modules needed to mount the "real" root file system, etc. See Documentation/initrd.txt for details.

If RAM disk support (BLK_DEV_RAM) is also included, this also enables initial RAM disk (initrd) support and adds 15 Kbytes (more on some other architectures) to the kernel size.

If unsure say Y.

Hardware

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