segn_busn_bits 351 arch/x86/kernel/amd_nb.c unsigned int segn_busn_bits; segn_busn_bits 370 arch/x86/kernel/amd_nb.c segn_busn_bits = (msr >> FAM10H_MMIO_CONF_BUSRANGE_SHIFT) & segn_busn_bits 375 arch/x86/kernel/amd_nb.c res->end = base + (1ULL<<(segn_busn_bits + 20)) - 1;