2 files changed, 12 insertions, 1 deletions
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index 96b2c66..992d63b 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -16,7 +16,7 @@ clean-files := inat-tables.c
 
 obj-$(CONFIG_SMP) += msr-smp.o cache-smp.o
 
-lib-y := delay.o
+lib-y := delay.o misc.o
 lib-y += thunk_$(BITS).o
 lib-y += usercopy_$(BITS).o usercopy.o getuser.o putuser.o
 lib-y += memcpy_$(BITS).o
diff --git a/arch/x86/lib/misc.c b/arch/x86/lib/misc.c
new file mode 100644
index 0000000..bc35cde
--- /dev/null
+++ b/arch/x86/lib/misc.c
@@ -0,0 +1,11 @@
+int num_digits(int val)
+{
+	int digits = 0;
+
+	while (val) {
+		val /= 10;
+		digits++;
+	}
+
+	return digits;
+}