#ifdef __KERNEL__
+/*
+ * Size of kernel stack for each process
+ */
+#ifndef __s390x__
+#ifndef __SMALL_STACK
+#define THREAD_ORDER 1
+#define ASYNC_ORDER 1
+#else
+#define THREAD_ORDER 0
+#define ASYNC_ORDER 0
+#endif
+#else /* __s390x__ */
+#ifndef __SMALL_STACK
+#define THREAD_ORDER 2
+#define ASYNC_ORDER 2
+#else
+#define THREAD_ORDER 1
+#define ASYNC_ORDER 1
+#endif
+#endif /* __s390x__ */
+
+#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER)
+#define ASYNC_SIZE (PAGE_SIZE << ASYNC_ORDER)
+
#ifndef __ASSEMBLY__
#include <asm/processor.h>
#include <asm/lowcore.h>
#define init_thread_info (init_thread_union.thread_info)
#define init_stack (init_thread_union.stack)
-/*
- * Size of kernel stack for each process
- */
-#ifndef __s390x__
-#define THREAD_ORDER 1
-#define ASYNC_ORDER 1
-#else /* __s390x__ */
-#define THREAD_ORDER 2
-#define ASYNC_ORDER 2
-#endif /* __s390x__ */
-
-#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER)
-#define ASYNC_SIZE (PAGE_SIZE << ASYNC_ORDER)
-
/* how to get the thread information struct from C */
static inline struct thread_info *current_thread_info(void)
{