extents_out 2551 arch/x86/xen/mmu_pv.c unsigned long extents_out, extents_out 2567 arch/x86/xen/mmu_pv.c .nr_extents = extents_out, extents_out 2575 arch/x86/xen/mmu_pv.c BUG_ON(extents_in << order_in != extents_out << order_out);