diff --git a/cpu/cc2538/cc2538_linkerscript.ld b/cpu/cc2538/cc2538_linkerscript.ld
index ecede7373..c4155cc13 100644
--- a/cpu/cc2538/cc2538_linkerscript.ld
+++ b/cpu/cc2538/cc2538_linkerscript.ld
@@ -31,8 +31,10 @@ OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
 OUTPUT_ARCH(arm)
 SEARCH_DIR(.)
 
-/* The stack size used by the application. NOTE: you need to adjust  */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 2K ;
+/* Define the default stack size for interrupt mode. As no context is
+   saved on this stack and ISRs are supposed to be short, it can be fairly
+   small. 512 byte should be a save assumption here */
+STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x200; /* 512 byte */
 
 /* Section Definitions */
 SECTIONS
diff --git a/cpu/sam3x8e/sam3x8e_linkerscript.ld b/cpu/sam3x8e/sam3x8e_linkerscript.ld
index e5cbb3cdc..e14b1e39b 100644
--- a/cpu/sam3x8e/sam3x8e_linkerscript.ld
+++ b/cpu/sam3x8e/sam3x8e_linkerscript.ld
@@ -40,8 +40,10 @@ MEMORY
     ram (rwx)   : ORIGIN = 0x20070000, LENGTH = 0x00018000 /* sram, 96K */
 }
 
-/* The stack size used by the application. NOTE: you need to adjust  */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x2000 ;
+/* Define the default stack size for interrupt mode. As no context is
+   saved on this stack and ISRs are supposed to be short, it can be fairly
+   small. 512 byte should be a save assumption here */
+STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x200; /* 512 byte */
 
 /* Section Definitions */
 SECTIONS
diff --git a/cpu/samd21/samd21_linkerscript.ld b/cpu/samd21/samd21_linkerscript.ld
index 8d99e82af..c8ea41505 100644
--- a/cpu/samd21/samd21_linkerscript.ld
+++ b/cpu/samd21/samd21_linkerscript.ld
@@ -38,8 +38,10 @@ MEMORY
     ram (rwx)   : ORIGIN = 0x20000000, LENGTH = 0x00008000  /* RAM, 32K    */
 }
 
-/* The stack size used by the application. NOTE: you need to adjust  */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x2000 ;
+/* Define the default stack size for interrupt mode. As no context is
+   saved on this stack and ISRs are supposed to be short, it can be fairly
+   small. 512 byte should be a save assumption here */
+STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x200; /* 512 byte */
 
 /* Section Definitions */
 SECTIONS
diff --git a/cpu/stm32f0/stm32f051r8_linkerscript.ld b/cpu/stm32f0/stm32f051r8_linkerscript.ld
index 2ddc74344..8ffee40c2 100644
--- a/cpu/stm32f0/stm32f051r8_linkerscript.ld
+++ b/cpu/stm32f0/stm32f051r8_linkerscript.ld
@@ -38,8 +38,10 @@ MEMORY
     ram (rwx)   : ORIGIN = 0x20000000, LENGTH = 8K
 }
 
-/* The stack size used by the application. NOTE: you need to adjust  */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0xa00 ;
+/* Define the default stack size for interrupt mode. As no context is
+   saved on this stack and ISRs are supposed to be short, it can be fairly
+   small. 512 byte should be a save assumption here */
+STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x200; /* 512 byte */
 
 /* Section Definitions */
 SECTIONS
diff --git a/cpu/stm32f1/stm32f103cb_linkerscript.ld b/cpu/stm32f1/stm32f103cb_linkerscript.ld
index b4cf5bd9b..998ea14eb 100644
--- a/cpu/stm32f1/stm32f103cb_linkerscript.ld
+++ b/cpu/stm32f1/stm32f103cb_linkerscript.ld
@@ -38,8 +38,10 @@ MEMORY
     ram (xrw)       : ORIGIN = 0x20000000, LENGTH = 20K
 }
 
-/* The stack size used by the application. NOTE: you need to adjust  */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x200 ;
+/* Define the default stack size for interrupt mode. As no context is
+   saved on this stack and ISRs are supposed to be short, it can be fairly
+   small. 512 byte should be a save assumption here */
+STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x200; /* 512 byte */
 
 /* Section Definitions */
 SECTIONS
diff --git a/cpu/stm32f1/stm32f103re_linkerscript.ld b/cpu/stm32f1/stm32f103re_linkerscript.ld
index a35f74230..c82e3f11f 100644
--- a/cpu/stm32f1/stm32f103re_linkerscript.ld
+++ b/cpu/stm32f1/stm32f103re_linkerscript.ld
@@ -38,8 +38,10 @@ MEMORY
     ram (xrw)       : ORIGIN = 0x20000000, LENGTH = 64K
 }
 
-/* The stack size used by the application. NOTE: you need to adjust  */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x200 ;
+/* Define the default stack size for interrupt mode. As no context is
+   saved on this stack and ISRs are supposed to be short, it can be fairly
+   small. 512 byte should be a save assumption here */
+STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x200; /* 512 byte */
 
 /* Section Definitions */
 SECTIONS
diff --git a/cpu/stm32f3/stm32f303vc_linkerscript.ld b/cpu/stm32f3/stm32f303vc_linkerscript.ld
index 3b7de69c2..81373bab6 100644
--- a/cpu/stm32f3/stm32f303vc_linkerscript.ld
+++ b/cpu/stm32f3/stm32f303vc_linkerscript.ld
@@ -39,8 +39,10 @@ MEMORY
     ccmram (rwx): ORIGIN = 0x10000000, LENGTH = 8K
 }
 
-/* The stack size used by the application. NOTE: you need to adjust  */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0xa00; /* 2.5K */
+/* Define the default stack size for interrupt mode. As no context is
+   saved on this stack and ISRs are supposed to be short, it can be fairly
+   small. 512 byte should be a save assumption here */
+STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x200; /* 512 byte */
 
 /* Section Definitions */
 SECTIONS
diff --git a/cpu/stm32f4/stm32f407vg_linkerscript.ld b/cpu/stm32f4/stm32f407vg_linkerscript.ld
index 857d99db6..a1320e4a4 100644
--- a/cpu/stm32f4/stm32f407vg_linkerscript.ld
+++ b/cpu/stm32f4/stm32f407vg_linkerscript.ld
@@ -39,8 +39,10 @@ MEMORY
     ccmram (rwx): ORIGIN = 0x10000000, LENGTH = 64K
 }
 
-/* The stack size used by the application. NOTE: you need to adjust  */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x2000 ;
+/* Define the default stack size for interrupt mode. As no context is
+   saved on this stack and ISRs are supposed to be short, it can be fairly
+   small. 512 byte should be a save assumption here */
+STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x200; /* 512 byte */
 
 
 /* Section Definitions */
diff --git a/cpu/stm32f4/stm32f415rg_linkerscript.ld b/cpu/stm32f4/stm32f415rg_linkerscript.ld
index 857d99db6..a1320e4a4 100644
--- a/cpu/stm32f4/stm32f415rg_linkerscript.ld
+++ b/cpu/stm32f4/stm32f415rg_linkerscript.ld
@@ -39,8 +39,10 @@ MEMORY
     ccmram (rwx): ORIGIN = 0x10000000, LENGTH = 64K
 }
 
-/* The stack size used by the application. NOTE: you need to adjust  */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x2000 ;
+/* Define the default stack size for interrupt mode. As no context is
+   saved on this stack and ISRs are supposed to be short, it can be fairly
+   small. 512 byte should be a save assumption here */
+STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x200; /* 512 byte */
 
 
 /* Section Definitions */