diff --git a/arch/i386/kernel/cpu/proc.c b/arch/i386/kernel/cpu/proc.c
index e792131..6d91b27 100644
--- a/arch/i386/kernel/cpu/proc.c
+++ b/arch/i386/kernel/cpu/proc.c
@@ -3,6 +3,7 @@
 #include <linux/string.h>
 #include <asm/semaphore.h>
 #include <linux/seq_file.h>
+#include <linux/cpufreq.h>
 
 /*
  *	Get CPU information for use by the procfs.
@@ -86,8 +87,11 @@
 		seq_printf(m, "stepping\t: unknown\n");
 
 	if ( cpu_has(c, X86_FEATURE_TSC) ) {
+		unsigned int freq = cpufreq_quick_get(n);
+		if (!freq)
+			freq = cpu_khz;
 		seq_printf(m, "cpu MHz\t\t: %u.%03u\n",
-			cpu_khz / 1000, (cpu_khz % 1000));
+			freq / 1000, (freq % 1000));
 	}
 
 	/* Cache size */
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 5add0bc..088e5dd 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -43,6 +43,7 @@
 #include <linux/initrd.h>
 #include <linux/platform.h>
 #include <linux/pm.h>
+#include <linux/cpufreq.h>
 
 #include <asm/ia32.h>
 #include <asm/machvec.h>
@@ -517,6 +518,7 @@
 	char family[32], features[128], *cp, sep;
 	struct cpuinfo_ia64 *c = v;
 	unsigned long mask;
+	unsigned int proc_freq;
 	int i;
 
 	mask = c->features;
@@ -549,6 +551,10 @@
 		sprintf(cp, " 0x%lx", mask);
 	}
 
+	proc_freq = cpufreq_quick_get(cpunum);
+	if (!proc_freq)
+		proc_freq = c->proc_freq / 1000;
+
 	seq_printf(m,
 		   "processor  : %d\n"
 		   "vendor     : %s\n"
@@ -565,7 +571,7 @@
 		   "BogoMIPS   : %lu.%02lu\n",
 		   cpunum, c->vendor, family, c->model, c->revision, c->archrev,
 		   features, c->ppn, c->number,
-		   c->proc_freq / 1000000, c->proc_freq % 1000000,
+		   proc_freq / 1000, proc_freq % 1000,
 		   c->itc_freq / 1000000, c->itc_freq % 1000000,
 		   lpj*HZ/500000, (lpj*HZ/5000) % 100);
 #ifdef CONFIG_SMP
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 750e01d..64c4534 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -42,6 +42,7 @@
 #include <linux/edd.h>
 #include <linux/mmzone.h>
 #include <linux/kexec.h>
+#include <linux/cpufreq.h>
 
 #include <asm/mtrr.h>
 #include <asm/uaccess.h>
@@ -1256,8 +1257,11 @@
 		seq_printf(m, "stepping\t: unknown\n");
 	
 	if (cpu_has(c,X86_FEATURE_TSC)) {
+		unsigned int freq = cpufreq_quick_get((unsigned)(c-cpu_data));
+		if (!freq)
+			freq = cpu_khz;
 		seq_printf(m, "cpu MHz\t\t: %u.%03u\n",
-			     cpu_khz / 1000, (cpu_khz % 1000));
+			     freq / 1000, (freq % 1000));
 	}
 
 	/* Cache size */
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 815902c..a9163d0 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -823,6 +823,30 @@
 
 
 /** 
+ * cpufreq_quick_get - get the CPU frequency (in kHz) frpm policy->cur
+ * @cpu: CPU number
+ *
+ * This is the last known freq, without actually getting it from the driver.
+ * Return value will be same as what is shown in scaling_cur_freq in sysfs.
+ */
+unsigned int cpufreq_quick_get(unsigned int cpu)
+{
+	struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
+	unsigned int ret = 0;
+
+	if (policy) {
+		down(&policy->lock);
+		ret = policy->cur;
+		up(&policy->lock);
+		cpufreq_cpu_put(policy);
+	}
+
+	return (ret);
+}
+EXPORT_SYMBOL(cpufreq_quick_get);
+
+
+/** 
  * cpufreq_get - get the current CPU frequency (in kHz)
  * @cpu: CPU number
  *
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index d068176..c31650d 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -256,6 +256,16 @@
 /* query the current CPU frequency (in kHz). If zero, cpufreq couldn't detect it */
 unsigned int cpufreq_get(unsigned int cpu);
 
+/* query the last known CPU freq (in kHz). If zero, cpufreq couldn't detect it */
+#ifdef CONFIG_CPU_FREQ
+unsigned int cpufreq_quick_get(unsigned int cpu);
+#else
+static inline unsigned int cpufreq_quick_get(unsigned int cpu)
+{
+	return 0;
+}
+#endif
+
 
 /*********************************************************************
  *                       CPUFREQ DEFAULT GOVERNOR                    *