X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=arch%2Fpowerpc%2Finclude%2Fasm%2Fthread_info.h;h=9aba5a38a7c4f32a011c6af5c3bd22e28e88d8a6;hb=652e8f8d579d61745094e36b4ff085026a332e73;hp=9665a26a253aaef0c118b644ec6635f96b84a83f;hpb=170465ee7f5a9a2d0ac71285507e52642e040353;p=deliverable%2Flinux.git

diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
index 9665a26a253a..9aba5a38a7c4 100644
--- a/arch/powerpc/include/asm/thread_info.h
+++ b/arch/powerpc/include/asm/thread_info.h
@@ -12,8 +12,10 @@
 
 /* We have 8k stacks on ppc32 and 16k on ppc64 */
 
-#ifdef CONFIG_PPC64
+#if defined(CONFIG_PPC64)
 #define THREAD_SHIFT		14
+#elif defined(CONFIG_PPC_256K_PAGES)
+#define THREAD_SHIFT		15
 #else
 #define THREAD_SHIFT		13
 #endif
@@ -154,6 +156,13 @@ static inline void set_restore_sigmask(void)
 	ti->local_flags |= _TLF_RESTORE_SIGMASK;
 	set_bit(TIF_SIGPENDING, &ti->flags);
 }
+
+#ifdef CONFIG_PPC64
+#define is_32bit_task()	(test_thread_flag(TIF_32BIT))
+#else
+#define is_32bit_task()	(1)
+#endif
+
 #endif	/* !__ASSEMBLY__ */
 
 #endif /* __KERNEL__ */