diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 0ba9bdb99871..8fb61d2465eb 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -157,6 +157,8 @@ extern unsigned int __num_threads_per_package;
 extern unsigned int __num_cores_per_package;
 extern unsigned int __num_nodes_per_package;
 
+struct cpuinfo_x86;
+
 const char *get_topology_cpu_type_name(struct cpuinfo_x86 *c);
 enum x86_topology_cpu_type get_topology_cpu_type(struct cpuinfo_x86 *c);
 
@@ -265,6 +267,7 @@ extern bool x86_topology_update;
 
 #ifdef CONFIG_SCHED_MC_PRIO
 #include <asm/percpu.h>
+#include <linux/cache.h>
 
 DECLARE_PER_CPU_READ_MOSTLY(int, sched_core_priority);
 extern bool __read_mostly sysctl_sched_itmt_enabled;