It also creates get_mapsize() helper in order to make the code more readable
when it calculates the boot bitmap size.
Signed-off-by: NFranck Bui-Huu <vagabon.xyz@gmail.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>