diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 3fd291503576..f83658a4f15d 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -819,6 +819,49 @@ static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { }
 	      __UNIQUE_ID(max1_), __UNIQUE_ID(max2_),	\
 	      x, y)
 
+size_t __error_not_const_arg(void) \
+__compiletime_error("const_max() used with non-compile-time constant arg");
+size_t __error_too_big(void) \
+__compiletime_error("const_max() used with an arg too big");
+
+#define INTMAXT_MAX LLONG_MAX
+typedef int64_t intmax_t;
+
+#define const_cmp(x, y, op)                                           \
+        __builtin_choose_expr(                                        \
+                !__builtin_constant_p(x) || !__builtin_constant_p(y), \
+                __error_not_const_arg(),                              \
+                __builtin_choose_expr(                                \
+                        (x) > INTMAXT_MAX || (y) > INTMAXT_MAX,       \
+                        __error_too_big(),                            \
+                        __builtin_choose_expr(                        \
+                                (intmax_t)(x) op (intmax_t)(y),       \
+                                (x),                                  \
+                                (y)                                   \
+                        )                                             \
+                )                                                     \
+        )
+
+/**
+ * const_min - returns minimum of two compile-time constant values
+ * @x: first compile-time constant value
+ * @y: second compile-time constant value
+ *
+ * The result has the type of the winner of the comparison. Works for any
+ * value up to LLONG_MAX.
+ */
+#define const_min(x, y) const_cmp((x), (y), <=)
+
+/**
+ * const_max - returns maximum of two compile-time constant values
+ * @x: first compile-time constant value
+ * @y: second compile-time constant value
+ *
+ * The result has the type of the winner of the comparison. Works for any
+ * value up to LLONG_MAX.
+ */
+#define const_max(x, y) const_cmp((x), (y), >=)
+
 /**
  * min3 - return minimum of three values
  * @x: first value