diff options
Diffstat (limited to 'include/asm-sh/thread_info.h')
-rw-r--r-- | include/asm-sh/thread_info.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/include/asm-sh/thread_info.h b/include/asm-sh/thread_info.h index 5eb874b065a6..605259f88113 100644 --- a/include/asm-sh/thread_info.h +++ b/include/asm-sh/thread_info.h | |||
@@ -29,6 +29,8 @@ struct thread_info { | |||
29 | #endif | 29 | #endif |
30 | 30 | ||
31 | #define PREEMPT_ACTIVE 0x10000000 | 31 | #define PREEMPT_ACTIVE 0x10000000 |
32 | #define THREAD_SIZE (PAGE_SIZE * 2) | ||
33 | #define STACK_WARN (THREAD_SIZE / 8) | ||
32 | 34 | ||
33 | /* | 35 | /* |
34 | * macros/functions for gaining access to the thread information structure | 36 | * macros/functions for gaining access to the thread information structure |
@@ -50,8 +52,6 @@ struct thread_info { | |||
50 | #define init_thread_info (init_thread_union.thread_info) | 52 | #define init_thread_info (init_thread_union.thread_info) |
51 | #define init_stack (init_thread_union.stack) | 53 | #define init_stack (init_thread_union.stack) |
52 | 54 | ||
53 | #define THREAD_SIZE (2*PAGE_SIZE) | ||
54 | |||
55 | /* how to get the thread information struct from C */ | 55 | /* how to get the thread information struct from C */ |
56 | static inline struct thread_info *current_thread_info(void) | 56 | static inline struct thread_info *current_thread_info(void) |
57 | { | 57 | { |
@@ -73,8 +73,12 @@ static inline struct thread_info *current_thread_info(void) | |||
73 | } | 73 | } |
74 | 74 | ||
75 | /* thread information allocation */ | 75 | /* thread information allocation */ |
76 | #define alloc_thread_info(ti) ((struct thread_info *) __get_free_pages(GFP_KERNEL,1)) | 76 | #ifdef CONFIG_DEBUG_STACK_USAGE |
77 | #define free_thread_info(ti) free_pages((unsigned long) (ti), 1) | 77 | #define alloc_thread_info(ti) kzalloc(THREAD_SIZE, GFP_KERNEL) |
78 | #else | ||
79 | #define alloc_thread_info(ti) kmalloc(THREAD_SIZE, GFP_KERNEL) | ||
80 | #endif | ||
81 | #define free_thread_info(ti) kfree(ti) | ||
78 | 82 | ||
79 | #else /* !__ASSEMBLY__ */ | 83 | #else /* !__ASSEMBLY__ */ |
80 | 84 | ||