[PATCH] ppc64: Updated Olof misc updates 3/3

Replace some of the hard-coded constants with PAGE_SIZE/SHIFT/ORDER where
appropriate.

Likewise, in a couple of places it doesn't make sense to base some
allocations on page size when all that's required is a constant 4K,
etc.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/include/asm-ppc64/thread_info.h b/include/asm-ppc64/thread_info.h
index 0494df6fca74..71244d8a427d 100644
--- a/include/asm-ppc64/thread_info.h
+++ b/include/asm-ppc64/thread_info.h
@@ -54,9 +54,9 @@ struct thread_info {
 
 /* thread information allocation */
 
-#define THREAD_ORDER            2
-#define THREAD_SIZE             (PAGE_SIZE << THREAD_ORDER)
-#define THREAD_SHIFT            (PAGE_SHIFT + THREAD_ORDER)
+#define THREAD_SHIFT            14
+#define THREAD_ORDER            (THREAD_SHIFT - PAGE_SHIFT)
+#define THREAD_SIZE             (1 << THREAD_SHIFT)
 #ifdef CONFIG_DEBUG_STACK_USAGE
 #define alloc_thread_info(tsk)                                  \
         ({                                                      \