sh: More tidying for large base pages.

[karo-tx-linux.git] / include / asm-sh / thread_info.h

diff --git a/include/asm-sh/thread_info.h b/include/asm-sh/thread_info.h
index 879f741105dbd366ed1bbcfdec6570024ae47662..279e70a77c75350a8ce7fc24e5fe707e766d69d6 100644 (file)
--- a/include/asm-sh/thread_info.h
+++ b/include/asm-sh/thread_info.h
@@ -32,12 +32,20 @@ struct thread_info {
 
 #define PREEMPT_ACTIVE         0x10000000
 
-#ifdef CONFIG_4KSTACKS
-#define THREAD_SIZE            (PAGE_SIZE)
+#if defined(CONFIG_4KSTACKS)
+#define THREAD_SIZE_ORDER      (0)
+#elif defined(CONFIG_PAGE_SIZE_4KB)
+#define THREAD_SIZE_ORDER      (1)
+#elif defined(CONFIG_PAGE_SIZE_8KB)
+#define THREAD_SIZE_ORDER      (1)
+#elif defined(CONFIG_PAGE_SIZE_64KB)
+#define THREAD_SIZE_ORDER      (0)
 #else
-#define THREAD_SIZE            (PAGE_SIZE * 2)
+#error "Unknown thread size"
 #endif
-#define STACK_WARN             (THREAD_SIZE / 8)
+
+#define THREAD_SIZE    (PAGE_SIZE << THREAD_SIZE_ORDER)
+#define STACK_WARN     (THREAD_SIZE >> 3)
 
 /*
  * macros/functions for gaining access to the thread information structure