diff --git a/arch/arm/src/armv7-m/mpu.h b/arch/arm/src/armv7-m/mpu.h
index a296819ad24..8ba6e19b6eb 100644
--- a/arch/arm/src/armv7-m/mpu.h
+++ b/arch/arm/src/armv7-m/mpu.h
@@ -380,6 +380,27 @@ void mpu_configure_region(uintptr_t base, size_t size,
                                                /* Instruction access */); \
     } while (0)
 
+/****************************************************************************
+ * Name: mpu_priv_shmem
+ *
+ * Description:
+ *   Configure a region as privileged shared memory
+ *
+ ****************************************************************************/
+
+#define mpu_priv_shmem(base, size)                                      \
+  do                                                                    \
+    {                                                                   \
+      /* The configure the region */                                    \
+      mpu_configure_region(base, size,                                  \
+                           MPU_RASR_TEX_SO   | /* Ordered            */ \
+                                               /* Not Cacheable      */ \
+                           MPU_RASR_B        | /* Bufferable         */ \
+                           MPU_RASR_S        | /* Shareable          */ \
+                           MPU_RASR_AP_RWNO  | /* P:RW   U:None      */ \
+                           MPU_RASR_XN         /* No Instruction access */); \
+    } while (0)
+
 /****************************************************************************
  * Name: mpu_user_extsram
  *