Initial commit; kernel source import

lib/reciprocal_div.c

@@ -0,0 +1,11 @@
+#include <asm/div64.h>
+#include <linux/reciprocal_div.h>
+#include <linux/export.h>
+
+u32 reciprocal_value(u32 k)
+{
+	u64 val = (1LL << 32) + (k - 1);
+	do_div(val, k);
+	return (u32)val;
+}
+EXPORT_SYMBOL(reciprocal_value);