|author||Nathan Scott <email@example.com>||2006-07-14 00:24:10 -0700|
|committer||Linus Torvalds <firstname.lastname@example.org>||2006-07-14 21:53:53 -0700|
[PATCH] Update ramdisk documentation
The default ramdisk blocksize is actually 1024, not 512 bytes. Also fixes up some trailing whitespace issues. Signed-off-by: Nathan Scott <email@example.com> Signed-off-by: Andrew Morton <firstname.lastname@example.org> Signed-off-by: Linus Torvalds <email@example.com>
Diffstat (limited to 'Documentation')
1 files changed, 6 insertions, 6 deletions
diff --git a/Documentation/ramdisk.txt b/Documentation/ramdisk.txt
index 7c25584e082c..52f75b7d51c2 100644
@@ -6,7 +6,7 @@ Contents:
2) Kernel Command Line Parameters
3) Using "rdev -r"
- 4) An Example of Creating a Compressed RAM Disk
+ 4) An Example of Creating a Compressed RAM Disk
@@ -34,7 +34,7 @@ make it clearer. The original "ramdisk=<ram_size>" has been kept around for
compatibility reasons, but it may be removed in the future.
The new RAM disk also has the ability to load compressed RAM disk images,
-allowing one to squeeze more programs onto an average installation or
+allowing one to squeeze more programs onto an average installation or
rescue floppy disk.
@@ -51,7 +51,7 @@ default is 4096 (4 MB) (8192 (8 MB) on S390).
This parameter tells the RAM disk driver how many bytes to use per block. The
-default is 512.
+default is 1024 (BLOCK_SIZE).
3) Using "rdev -r"
@@ -70,7 +70,7 @@ These numbers are no magical secrets, as seen below:
./arch/i386/kernel/setup.c:#define RAMDISK_PROMPT_FLAG 0x8000
./arch/i386/kernel/setup.c:#define RAMDISK_LOAD_FLAG 0x4000
-Consider a typical two floppy disk setup, where you will have the
+Consider a typical two floppy disk setup, where you will have the
kernel on disk one, and have already put a RAM disk image onto disk #2.
Hence you want to set bits 0 to 13 as 0, meaning that your RAM disk
@@ -97,12 +97,12 @@ Since the default start = 0 and the default prompt = 1, you could use:
append = "load_ramdisk=1"
-4) An Example of Creating a Compressed RAM Disk
+4) An Example of Creating a Compressed RAM Disk
To create a RAM disk image, you will need a spare block device to
construct it on. This can be the RAM disk device itself, or an
-unused disk partition (such as an unmounted swap partition). For this
+unused disk partition (such as an unmounted swap partition). For this
example, we will use the RAM disk device, "/dev/ram0".
Note: This technique should not be done on a machine with less than 8 MB