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authorFabian Frederick <fabf@skynet.be>2014-01-23 15:55:27 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-23 16:37:01 -0800
commitf5abc8e75815fc6e8f4635d2c011315d132a32cf (patch)
treecaf1a4a179d440e187eac41f5a1db3d048a2e25a /Documentation/blockdev/ramdisk.txt
parentc1083732908f233c5234a5c8765347602e83630c (diff)
Documentation/blockdev/ramdisk.txt: updates
- ramdisk_blocksize doesn't exist anymore - Module parameters added to documentation Signed-off-by: Fabian Frederick <fabf@skynet.be> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/blockdev/ramdisk.txt')
-rw-r--r--Documentation/blockdev/ramdisk.txt21
1 files changed, 15 insertions, 6 deletions
diff --git a/Documentation/blockdev/ramdisk.txt b/Documentation/blockdev/ramdisk.txt
index fa72e97dd66..fe2ef978d85 100644
--- a/Documentation/blockdev/ramdisk.txt
+++ b/Documentation/blockdev/ramdisk.txt
@@ -36,21 +36,30 @@ allowing one to squeeze more programs onto an average installation or
rescue floppy disk.
-2) Kernel Command Line Parameters
+2) Parameters
---------------------------------
+2a) Kernel Command Line Parameters
+
ramdisk_size=N
==============
This parameter tells the RAM disk driver to set up RAM disks of N k size. The
-default is 4096 (4 MB) (8192 (8 MB) on S390).
+default is 4096 (4 MB).
+
+2b) Module parameters
- ramdisk_blocksize=N
- ===================
+ rd_nr
+ =====
+ /dev/ramX devices created.
-This parameter tells the RAM disk driver how many bytes to use per block. The
-default is 1024 (BLOCK_SIZE).
+ max_part
+ ========
+ Maximum partition number.
+ rd_size
+ =======
+ See ramdisk_size.
3) Using "rdev -r"
------------------