arm_round_page
dump_avail_off = ARM_PAGE_SIZE + arm_round_page(vmst->hdr.msgbufsize);
off = dump_avail_off + arm_round_page(vmst->hdr.dumpavailsize);
sparse_off = off + arm_round_page(vmst->hdr.bitmapsize) +
arm_round_page(vmst->hdr.ptesize);
off += arm_round_page(vmst->hdr.bitmapsize);
off += arm_round_page(vmst->hdr.ptesize);