diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c
index bca782050198..9b9495174041 100644
--- a/arch/x86/kernel/cpu/resctrl/core.c
+++ b/arch/x86/kernel/cpu/resctrl/core.c
@@ -247,7 +247,11 @@ static __init bool __rdt_get_mem_config_amd(struct rdt_resource *r)
 
 	cpuid_count(0x80000020, subleaf, &eax, &ebx, &ecx, &edx);
 	hw_res->num_closid = edx + 1;
-	r->membw.max_bw = 1 << eax;
+	if (BITS_PER_TYPE(r->membw.max_bw) <= eax) {
+		pr_warn("Unable to support hardware's maximum bandwidth\n");
+		return false;
+	}
+	r->membw.max_bw = BIT(eax);
 
 	/* AMD does not use delay */
 	r->membw.delay_linear = false;