[PATCH] bootmem: use pfn/page conversion macros
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>
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