diff --git a/sys/compat/linuxkpi/common/include/linux/cpufreq.h b/sys/compat/linuxkpi/common/include/linux/cpufreq.h
new file mode 100644
index 0000000000..1e8ac5d04f
--- /dev/null
+++ b/sys/compat/linuxkpi/common/include/linux/cpufreq.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2026 The FreeBSD Foundation
+ *
+ * This software was developed by Emmanuel Vadot under sponsorship
+ * from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _LINUX_CPUFREQ_H_
+#define _LINUX_CPUFREQ_H_
+
+#include <sys/pcpu.h>
+#include <sys/sysctl.h>
+#include <sys/types.h>
+
+static inline unsigned int
+cpufreq_quick_get_max(unsigned int cpu __unused)
+{
+	int clockrate = 0;
+	size_t len = sizeof(clockrate);
+
+	if (kernel_sysctlbyname(curthread, "hw.clockrate", &clockrate, &len,
+            NULL, 0, NULL, 0) == 0) {
+		/* hw.clockrate is in MHz. Linux expects kHz. */
+		return (unsigned int)clockrate * 1000;
+	}
+
+	/* Default fallback (e.g., 1.0 GHz) if the sysctl fails */
+	return (1000000);
+}
+
+#endif /* _LINUX_CPUFREQ_H_ */