Cleanup write/read_hugepage()

Make parameters of write/read_hugepage() understand easier.
And add comment for the write/read_hugepage().

Signed-off-by: Jin Dongming <jin.dongming@np.css.fujitsu.com>
Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
1 file changed