diff options
Diffstat (limited to 'include/asm-um/thread_info.h')
-rw-r--r-- | include/asm-um/thread_info.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/include/asm-um/thread_info.h b/include/asm-um/thread_info.h index a10ea155907e..1feaaf148ef1 100644 --- a/include/asm-um/thread_info.h +++ b/include/asm-um/thread_info.h | |||
@@ -41,18 +41,17 @@ struct thread_info { | |||
41 | #define init_thread_info (init_thread_union.thread_info) | 41 | #define init_thread_info (init_thread_union.thread_info) |
42 | #define init_stack (init_thread_union.stack) | 42 | #define init_stack (init_thread_union.stack) |
43 | 43 | ||
44 | #define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE) | ||
44 | /* how to get the thread information struct from C */ | 45 | /* how to get the thread information struct from C */ |
45 | static inline struct thread_info *current_thread_info(void) | 46 | static inline struct thread_info *current_thread_info(void) |
46 | { | 47 | { |
47 | struct thread_info *ti; | 48 | struct thread_info *ti; |
48 | unsigned long mask = PAGE_SIZE * | 49 | unsigned long mask = THREAD_SIZE - 1; |
49 | (1 << CONFIG_KERNEL_STACK_ORDER) - 1; | 50 | ti = (struct thread_info *) (((unsigned long) &ti) & ~mask); |
50 | ti = (struct thread_info *) (((unsigned long) &ti) & ~mask); | ||
51 | return ti; | 51 | return ti; |
52 | } | 52 | } |
53 | 53 | ||
54 | /* thread information allocation */ | 54 | /* thread information allocation */ |
55 | #define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE) | ||
56 | #define alloc_thread_info(tsk) \ | 55 | #define alloc_thread_info(tsk) \ |
57 | ((struct thread_info *) kmalloc(THREAD_SIZE, GFP_KERNEL)) | 56 | ((struct thread_info *) kmalloc(THREAD_SIZE, GFP_KERNEL)) |
58 | #define free_thread_info(ti) kfree(ti) | 57 | #define free_thread_info(ti) kfree(ti) |
@@ -62,7 +61,7 @@ static inline struct thread_info *current_thread_info(void) | |||
62 | 61 | ||
63 | #endif | 62 | #endif |
64 | 63 | ||
65 | #define PREEMPT_ACTIVE 0x4000000 | 64 | #define PREEMPT_ACTIVE 0x10000000 |
66 | 65 | ||
67 | #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ | 66 | #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ |
68 | #define TIF_SIGPENDING 1 /* signal pending */ | 67 | #define TIF_SIGPENDING 1 /* signal pending */ |