CTR_ILINE_SHIFT
user_cpu_desc.ctr |= (PAGE_SHIFT - 2) << CTR_ILINE_SHIFT;
#define CTR_ILINE_MASK (0xf << CTR_ILINE_SHIFT)
#define CTR_ILINE_SIZE(reg) (4 << (CTR_ILINE_VAL(reg) >> CTR_ILINE_SHIFT))