The default ramdisk blocksize is actually 1024, not 512 bytes.  Also fixes
up some trailing whitespace issues.
Signed-off-by: NNathan Scott <nathans@sgi.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>