diff --git a/include/asm-ppc64/a.out.h b/include/asm-powerpc/a.out.h
similarity index 69%
rename from include/asm-ppc64/a.out.h
rename to include/asm-powerpc/a.out.h
index 3871e252a6f1..c7393a977364 100644
--- a/include/asm-ppc64/a.out.h
+++ b/include/asm-powerpc/a.out.h
@@ -1,14 +1,5 @@
-#ifndef __PPC64_A_OUT_H__
-#define __PPC64_A_OUT_H__
-
-/*
- * c 2001 PPC 64 Team, IBM Corp
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
+#ifndef _ASM_POWERPC_A_OUT_H
+#define _ASM_POWERPC_A_OUT_H
 
 struct exec
 {
@@ -27,6 +18,7 @@ struct exec
 #define N_SYMSIZE(a)	((a).a_syms)
 
 #ifdef __KERNEL__
+#ifdef __powerpc64__
 
 #define STACK_TOP_USER64 TASK_SIZE_USER64
 #define STACK_TOP_USER32 TASK_SIZE_USER32
@@ -34,6 +26,11 @@ struct exec
 #define STACK_TOP (test_thread_flag(TIF_32BIT) ? \
 		   STACK_TOP_USER32 : STACK_TOP_USER64)
 
+#else /* __powerpc64__ */
+
+#define STACK_TOP TASK_SIZE
+
+#endif /* __powerpc64__ */
 #endif /* __KERNEL__ */
 
-#endif /* __PPC64_A_OUT_H__ */
+#endif /* _ASM_POWERPC_A_OUT_H */
diff --git a/include/asm-ppc/a.out.h b/include/asm-ppc/a.out.h
deleted file mode 100644
index 8979a94c4a81..000000000000
--- a/include/asm-ppc/a.out.h
+++ /dev/null
@@ -1,26 +0,0 @@
-#ifndef __PPC_A_OUT_H__
-#define __PPC_A_OUT_H__
-
-/* grabbed from the intel stuff  */
-#define STACK_TOP TASK_SIZE
-
-
-struct exec
-{
-  unsigned long a_info;		/* Use macros N_MAGIC, etc for access */
-  unsigned a_text;		/* length of text, in bytes */
-  unsigned a_data;		/* length of data, in bytes */
-  unsigned a_bss;		/* length of uninitialized data area for file, in bytes */
-  unsigned a_syms;		/* length of symbol table data in file, in bytes */
-  unsigned a_entry;		/* start address */
-  unsigned a_trsize;		/* length of relocation info for text, in bytes */
-  unsigned a_drsize;		/* length of relocation info for data, in bytes */
-};
-
-
-#define N_TRSIZE(a)	((a).a_trsize)
-#define N_DRSIZE(a)	((a).a_drsize)
-#define N_SYMSIZE(a)	((a).a_syms)
-
-
-#endif