#define STACK_TOP (TASK_SIZE - PAGE_SIZE)
#define STACK_TOP_MAX STACK_TOP
/* Maximum virtual space for stack */
-#define STACK_SIZE_MAX (1 << 28) /* 256 MB */
+#define STACK_SIZE_MAX (CONFIG_MAX_STACK_SIZE_MB*1024*1024)
/* This decides where the kernel will search for a free chunk of vm
* space during mmap's.