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Documentation/blockdev/ramdisk.txt: updates

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- 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>
This commit is contained in:
Fabian Frederick 2014-01-23 15:55:27 -08:00 committed by Linus Torvalds
parent c108373290
commit f5abc8e758
1 changed files with 15 additions and 6 deletions
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21
Documentation/blockdev/ramdisk.txt
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@ -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).
ramdisk_blocksize=N
===================
2b) Module parameters
This parameter tells the RAM disk driver how many bytes to use per block. The
default is 1024 (BLOCK_SIZE).
rd_nr
=====
/dev/ramX devices created.
max_part
========
Maximum partition number.
rd_size
=======
See ramdisk_size.
3) Using "rdev -r"
------------------