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 3ebc3f9039ebe3f6cebdaa43c913c5c93dbd0547..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
@@ -90,13 +98,7 @@ static inline struct thread_info *current_thread_info(void)
 #endif
 #define free_thread_info(ti)   kfree(ti)
 
-#else /* !__ASSEMBLY__ */
-
-/* how to get the thread information struct from ASM */
-#define GET_THREAD_INFO(reg) \
-       stc     r7_bank, reg
-
-#endif
+#endif /* __ASSEMBLY__ */
 
 /*
  * thread information flags
@@ -112,6 +114,7 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_USEDFPU            16      /* FPU was used by this task this quantum (SMP) */
 #define TIF_POLLING_NRFLAG     17      /* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_MEMDIE             18
+#define TIF_FREEZE             19
 
 #define _TIF_SYSCALL_TRACE     (1<<TIF_SYSCALL_TRACE)
 #define _TIF_NOTIFY_RESUME     (1<<TIF_NOTIFY_RESUME)
@@ -120,6 +123,7 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_RESTORE_SIGMASK   (1<<TIF_RESTORE_SIGMASK)
 #define _TIF_USEDFPU           (1<<TIF_USEDFPU)
 #define _TIF_POLLING_NRFLAG    (1<<TIF_POLLING_NRFLAG)
+#define _TIF_FREEZE            (1<<TIF_FREEZE)
 
 #define _TIF_WORK_MASK         0x000000FE      /* work to do on interrupt/exception return */
 #define _TIF_ALLWORK_MASK      0x000000FF      /* work to do on any return to u-space */