PSHIFT 620 arch/x86/kernel/cpu/mtrr/cleanup.c result[i].lose_cover_sizek = (range_sums_new - range_sums) << PSHIFT; PSHIFT 623 arch/x86/kernel/cpu/mtrr/cleanup.c result[i].lose_cover_sizek = (range_sums - range_sums_new) << PSHIFT;