KVM_HPAGE_GFN_SHIFT
#define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x))
return (gfn >> KVM_HPAGE_GFN_SHIFT(level)) -
(base_gfn >> KVM_HPAGE_GFN_SHIFT(level));
KVM_MMU_WARN_ON(order != KVM_HPAGE_GFN_SHIFT(PG_LEVEL_1G) &&
order != KVM_HPAGE_GFN_SHIFT(PG_LEVEL_2M) &&
order != KVM_HPAGE_GFN_SHIFT(PG_LEVEL_4K));
if (order >= KVM_HPAGE_GFN_SHIFT(PG_LEVEL_1G))
if (order >= KVM_HPAGE_GFN_SHIFT(PG_LEVEL_2M))
if (order >= KVM_HPAGE_GFN_SHIFT(PG_LEVEL_2M))