diff --git a/drivers/syslog/Kconfig b/drivers/syslog/Kconfig
index 9bf064d164..2e3f9dba96 100644
--- a/drivers/syslog/Kconfig
+++ b/drivers/syslog/Kconfig
@@ -250,8 +250,6 @@ if RAMLOG_SYSLOG
 
 config RAMLOG_BUFFER_SECTION
 	string "The section where ramlog buffer is located"
-	default ".bss"
-	depends on !ARCH_SIM
 	---help---
 		The section where ramlog buffer is located.
 		The section shall not be initialized on system boot.
diff --git a/drivers/syslog/Make.defs b/drivers/syslog/Make.defs
index 96e5d7d794..9bdc0165c5 100644
--- a/drivers/syslog/Make.defs
+++ b/drivers/syslog/Make.defs
@@ -36,6 +36,10 @@ endif
 
 ifeq ($(CONFIG_RAMLOG),y)
   CSRCS += ramlog.c
+
+  ifneq ($(CONFIG_RAMLOG_BUFFER_SECTION),"")
+    CFLAGS += ${shell $(DEFINE) "$(CC)" RAMLOG_BUFFER_SECTION=CONFIG_RAMLOG_BUFFER_SECTION}
+  endif
 endif
 
 ############################################################################
diff --git a/drivers/syslog/ramlog.c b/drivers/syslog/ramlog.c
index 55cca259bb..8146f986f2 100644
--- a/drivers/syslog/ramlog.c
+++ b/drivers/syslog/ramlog.c
@@ -124,11 +124,12 @@ static const struct file_operations g_ramlogfops =
  */
 
 #ifdef CONFIG_RAMLOG_SYSLOG
+#  ifdef RAMLOG_BUFFER_SECTION
 static char g_sysbuffer[CONFIG_RAMLOG_BUFSIZE]
-#ifdef CONFIG_RAMLOG_BUFFER_SECTION
-                               locate_data(CONFIG_RAMLOG_BUFFER_SECTION)
-#endif
-;
+                       locate_data(RAMLOG_BUFFER_SECTION);
+#  else
+static char g_sysbuffer[CONFIG_RAMLOG_BUFSIZE];
+#  endif
 
 /* This is the device structure for the console or syslogging function.  It
  * must be statically initialized because the RAMLOG ramlog_putc function
@@ -137,15 +138,15 @@ static char g_sysbuffer[CONFIG_RAMLOG_BUFSIZE]
 
 static struct ramlog_dev_s g_sysdev =
 {
-#ifndef CONFIG_RAMLOG_NONBLOCKING
+#  ifndef CONFIG_RAMLOG_NONBLOCKING
   0,                             /* rl_nwaiters */
-#endif
+#  endif
   CONFIG_RAMLOG_BUFSIZE,         /* rl_head */
   CONFIG_RAMLOG_BUFSIZE,         /* rl_tail */
   SEM_INITIALIZER(1),            /* rl_exclsem */
-#ifndef CONFIG_RAMLOG_NONBLOCKING
+#  ifndef CONFIG_RAMLOG_NONBLOCKING
   SEM_INITIALIZER(0),            /* rl_waitsem */
-#endif
+#  endif
   CONFIG_RAMLOG_BUFSIZE,         /* rl_bufsize */
   g_sysbuffer                    /* rl_buffer */
 };
diff --git a/mm/iob/Kconfig b/mm/iob/Kconfig
index b5156fa5b0..31b8b1091e 100644
--- a/mm/iob/Kconfig
+++ b/mm/iob/Kconfig
@@ -48,8 +48,6 @@ config IOB_ALIGNMENT
 
 config IOB_SECTION
 	string "The section where iob buffer is located"
-	default ".bss"
-	depends on !ARCH_SIM
 	---help---
 		The section where iob buffer is located.
 		The section must be zero-initialized on system boot.
diff --git a/mm/iob/Make.defs b/mm/iob/Make.defs
index b69a2a0481..5ecd99cc93 100644
--- a/mm/iob/Make.defs
+++ b/mm/iob/Make.defs
@@ -38,6 +38,10 @@ ifeq ($(CONFIG_DEBUG_FEATURES),y)
   CSRCS += iob_dump.c
 endif
 
+ifneq ($(CONFIG_IOB_SECTION),"")
+  CFLAGS += ${shell $(DEFINE) "$(CC)" IOB_SECTION=CONFIG_IOB_SECTION}
+endif
+
 # Include iob build support
 
 DEPPATH += --dep-path iob
diff --git a/mm/iob/iob_initialize.c b/mm/iob/iob_initialize.c
index 36577665b6..5d3cbbb57c 100644
--- a/mm/iob/iob_initialize.c
+++ b/mm/iob/iob_initialize.c
@@ -42,14 +42,6 @@
 #define IOB_BUFFER_SIZE   (IOB_ALIGN_SIZE * CONFIG_IOB_NBUFFERS + \
                            CONFIG_IOB_ALIGNMENT - 1)
 
-/* Improve Flexibility */
-
-#ifdef CONFIG_IOB_SECTION
-#  define IOB_SECTION     locate_data(CONFIG_IOB_SECTION)
-#else
-#  define IOB_SECTION
-#endif
-
 /****************************************************************************
  * Private Data
  ****************************************************************************/
@@ -59,7 +51,11 @@
  * to the CONFIG_IOB_ALIGNMENT memory boundary.
  */
 
-static uint8_t g_iob_buffer[IOB_BUFFER_SIZE] IOB_SECTION;
+#ifdef IOB_SECTION
+static uint8_t g_iob_buffer[IOB_BUFFER_SIZE] locate_data(IOB_SECTION);
+#else
+static uint8_t g_iob_buffer[IOB_BUFFER_SIZE];
+#endif
 
 #if CONFIG_IOB_NCHAINS > 0
 /* This is a pool of pre-allocated iob_qentry_s buffers */