ISP_PAGE_MASK
#define ISP_L2PT_MASK (~(ISP_L1PT_MASK | (~(ISP_PAGE_MASK))))
#define NULL_PAGE ((phys_addr_t)(-1) & ISP_PAGE_MASK)
#define ISP_L2PT_MASK (~(ISP_L1PT_MASK | (~(ISP_PAGE_MASK))))
& ISP_PAGE_MASK)
page &= ISP_PAGE_MASK;
l2_pt &= ISP_PAGE_MASK;
start = start & ISP_PAGE_MASK;
phys &= ISP_PAGE_MASK;
l1_pt &= ISP_PAGE_MASK;
start = start & ISP_PAGE_MASK;
phys &= ISP_PAGE_MASK;
l1_aligned = (ptr & ISP_PAGE_MASK) + (1U << ISP_L1PT_OFFSET);
start = (isp_virt) & ISP_PAGE_MASK;
phys &= ISP_PAGE_MASK;
l2_pt &= ISP_PAGE_MASK;
start = start & ISP_PAGE_MASK;
l1_pt &= ISP_PAGE_MASK;
start = start & ISP_PAGE_MASK;
l1_aligned = (ptr & ISP_PAGE_MASK) + (1U << ISP_L1PT_OFFSET);
start = (isp_virt) & ISP_PAGE_MASK;
start = (start_isp_virt) & ISP_PAGE_MASK;
end = (end_isp_virt) & ISP_PAGE_MASK;
#define ISP_L2PT_MASK (~(ISP_L1PT_MASK | (~(ISP_PAGE_MASK))))