Index: kernel/arch/mips32/src/debug/stacktrace.c
===================================================================
--- kernel/arch/mips32/src/debug/stacktrace.c	(revision 0407636ceda67e68eb4456da50da5790c6a50911)
+++ kernel/arch/mips32/src/debug/stacktrace.c	(revision fb864d653f08c9c94bf26673eb5d1efd0c3e6f25)
@@ -62,4 +62,5 @@
 
 #include <stacktrace.h>
+#include <stddef.h>
 #include <syscall/copy.h>
 #include <typedefs.h>