Linux Kernel Initrd Support

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Using the initial RAM disk (initrd) — The Linux Kernel ...

    https://www.kernel.org/doc/html/v4.12/admin-guide/initrd.html
    Second, the kernel has to be compiled with RAM disk support and with support for the initial RAM disk enabled. Also, at least all components needed to execute programs from initrd (e.g. executable format and file system) must be compiled into the kernel.

Linux initial RAM disk (initrd) overview – IBM Developer

    https://developer.ibm.com/technologies/linux/articles/l-initrd/
    Initrd support in the Linux kernel. For the Linux kernel to support the initial RAM disk, the kernel must be compiled with the CONFIG_BLK_DEV_RAM and CONFIG_BLK_DEV_INITRD options. Testing the custom initial RAM disk. Your new initrd image is in /boot, so the next step is to test it with your default kernel. You can now restart your Linux system.

ACPI Support — The Linux Kernel documentation

    https://www.kernel.org/doc/html/latest/admin-guide/acpi/index.html
    ACPI Support¶. Here we document in detail how to interact with various mechanisms in the Linux ACPI support.

Request: kernel initrd support · Issue #392 · raspberrypi ...

    https://github.com/raspberrypi/linux/issues/392
    Oct 02, 2013 · Yes, it does. I'm using UUID through cmdline.txt, but in order to use it is required to create an initial ram disk (initrd). That's why adding initrd support to the stock kernel has been very useful. Now initrd support is included in the stock kernel using initrd and all the features it …

initrd(4) - Linux manual page - Michael Kerrisk

    http://man7.org/linux/man-pages/man4/initrd.4.html
    If the Linux system does not have /dev/initrd already created, it can be created with the following commands: mknod -m 400 /dev/initrd b 1 250 chown root:disk /dev/initrd Also, support for both "RAM disk" and "Initial RAM disk" (e.g., CON‐ FIG_BLK_DEV_RAM=y and CONFIG_BLK_DEV_INITRD=y) must be compiled directly into the Linux kernel to use ...

initrd(4): boot loader initialized RAM disk - Linux man page

    https://linux.die.net/man/4/initrd
    If the Linux system does not have /dev/initrd already created, it can be created with the following commands: mknod -m 400 /dev/initrd b 1 250 chown root:disk /dev/initrd Also, support for both "RAM disk" and "Initial RAM disk" (e.g., CONFIG_BLK_DEV_RAM=y and CONFIG_BLK_DEV_INITRD=y) must be compiled directly into the Linux kernel to use /dev ...



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