diff --git a/include/nuttx/coredump.h b/include/nuttx/coredump.h
index 2fdd7af46f392..2aca21dd516b8 100644
--- a/include/nuttx/coredump.h
+++ b/include/nuttx/coredump.h
@@ -61,16 +61,6 @@ struct coredump_info_s
  * Public Function Prototypes
  ****************************************************************************/
 
-/****************************************************************************
- * Name: coredump_set_memory_region
- *
- * Description:
- *   Set do coredump memory region.
- *
- ****************************************************************************/
-
-int coredump_set_memory_region(FAR const struct memory_region_s *region);
-
 /****************************************************************************
  * Name: coredump_add_memory_region
  *
diff --git a/sched/misc/coredump.c b/sched/misc/coredump.c
index 22d2f9f687b22..aa5c5d2fedcaa 100644
--- a/sched/misc/coredump.c
+++ b/sched/misc/coredump.c
@@ -752,19 +752,23 @@ static void coredump_dump_dev(pid_t pid)
 #endif
 
 /****************************************************************************
- * Name: coredump_set_memory_region
+ * Name: coredump_initialize_memory_region
  *
  * Description:
- *   Set do coredump memory region.
+ *   initialize the memory region with board memory range specified in config
  *
  ****************************************************************************/
 
-int coredump_set_memory_region(FAR const struct memory_region_s *region)
+static int coredump_initialize_memory_region(void)
 {
-  /* Not free g_regions, because allow call this fun when crash */
+#ifdef CONFIG_BOARD_MEMORY_RANGE
+  if (g_regions == NULL)
+    {
+      g_regions = g_memory_region;
+    }
+#endif
 
-  g_regions = region;
-  return 0;
+  return OK;
 }
 
 /****************************************************************************
@@ -780,6 +784,13 @@ int coredump_add_memory_region(FAR const void *ptr, size_t size,
 {
   FAR struct memory_region_s *region;
   size_t count = 1; /* 1 for end flag */
+  int ret;
+
+  ret = coredump_initialize_memory_region();
+  if (ret < 0)
+    {
+      return ret;
+    }
 
   if (g_regions != NULL)
     {
@@ -868,9 +879,11 @@ int coredump_initialize(void)
 {
   int ret = 0;
 
-#ifdef CONFIG_BOARD_MEMORY_RANGE
-  g_regions = g_memory_region;
-#endif
+  ret = coredump_initialize_memory_region();
+  if (ret < 0)
+    {
+      return ret;
+    }
 
 #ifdef CONFIG_BOARD_COREDUMP_BLKDEV
   ret = lib_blkoutstream_open(&g_devstream,