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- New RAMDISK driver README
- -------------------------
-
- This improved version of the ramdisk driver contains two major
- enhancements to the older ramdisk driver :
-
- 1. It supports gzipped ramdisk images. This, for example, makes
- the standard 1.44MB rootdisk shipped with Slackware 2.2 take up only 544K
- of disk space. This feature can be used easily by gziping a standard
- rootdisk (or creating a larger one in a ramdisk), and copying it down to
- the floppy.
-
- This can be extremely useful for certain rare situations (like if
- you only have a 720K disk to put a rootdisk on - using this ramdisk
- driver, you can put a full rootdisk on it...)
-
- (TODO: Make the gzip loader read at 384K and 512K into the disk, so a
- kernel and a rootdisk can both be used.)
-
- 2. It also supports multiple ramdisk devices (referencing
- straight to the buffer cache). A buffer protection scheme has been added
- to the buffer.c system, which should keep the buffers safe.
-
- You can create the devices by doing :
-
- mknod /dev/ramX b 33 X
-
- (X is the minor number - it can be up to 255. Note that minor #0
- can be the static ramdisk as well, so I suggest that it not be mknoded.)
-
- Enjoy!
-
- - Chad Page
- (cpage@best.com)
-