diff --git a/[refs] b/[refs] index 4a3633c4ccd8..b81a9b678461 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 5a06a363ef48444186f18095ae1b932dddbbfa89 +refs/heads/master: 0a5eca6530eb4d0120981936058537c24a2f92ce diff --git a/trunk/Documentation/initrd.txt b/trunk/Documentation/initrd.txt index b1b6440237a6..15f1b35deb34 100644 --- a/trunk/Documentation/initrd.txt +++ b/trunk/Documentation/initrd.txt @@ -72,6 +72,22 @@ initrd adds the following new options: initrd is mounted as root, and the normal boot procedure is followed, with the RAM disk still mounted as root. +Compressed cpio images +---------------------- + +Recent kernels have support for populating a ramdisk from a compressed cpio +archive, on such systems, the creation of a ramdisk image doesn't need to +involve special block devices or loopbacks, you merely create a directory on +disk with the desired initrd content, cd to that directory, and run (as an +example): + +find . | cpio --quiet -c -o | gzip -9 -n > /boot/imagefile.img + +Examining the contents of an existing image file is just as simple: + +mkdir /tmp/imagefile +cd /tmp/imagefile +gzip -cd /boot/imagefile.img | cpio -imd --quiet Installation ------------