HMM_PFN_FLAGS
size -= (hmm_pfn & ~HMM_PFN_FLAGS) & (size - 1);
umem_odp->map.pfn_list[idx] &= ~HMM_PFN_FLAGS;
return pfn_to_page(hmm_pfn & ~HMM_PFN_FLAGS);
return __pfn_to_phys(hmm_pfn & ~HMM_PFN_FLAGS);