diff options
| -rw-r--r-- | arch/x86/kernel/cpu/topology.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/x86/kernel/cpu/topology.c b/arch/x86/kernel/cpu/topology.c index eafcb1fc185a..4913b64ec592 100644 --- a/arch/x86/kernel/cpu/topology.c +++ b/arch/x86/kernel/cpu/topology.c @@ -204,15 +204,11 @@ fwbug: static unsigned int topo_unit_count(u32 lvlid, enum x86_topology_domains at_level, unsigned long *map) { - unsigned int id, end, cnt = 0; + unsigned int end; /* Calculate the exclusive end */ end = lvlid + (1U << x86_topo_system.dom_shifts[at_level]); - - /* Unfortunately there is no bitmap_weight_range() */ - for (id = find_next_bit(map, end, lvlid); id < end; id = find_next_bit(map, end, ++id)) - cnt++; - return cnt; + return bitmap_weight_from(map, lvlid, end); } static __init void topo_register_apic(u32 apic_id, u32 acpi_id, bool present) |