SRMMU_PTD_PMASK
return (pmd_val(pmd) & SRMMU_PTD_PMASK) >> (PAGE_SHIFT-4);
v = pmd_val(pmd) & SRMMU_PTD_PMASK;
unsigned long v = pmd_val(pmd) & SRMMU_PTD_PMASK;
unsigned long v = pud_val(pud) & SRMMU_PTD_PMASK;
ptr = (pmd & SRMMU_PTD_PMASK) << 4;
ptr = (ped & SRMMU_PTD_PMASK) << 4;
ptr = (pgd & SRMMU_PTD_PMASK) << 4;