diff options
Diffstat (limited to 'include/asm-arm/thread_info.h')
| -rw-r--r-- | include/asm-arm/thread_info.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/include/asm-arm/thread_info.h b/include/asm-arm/thread_info.h index f28b236139e..5014794f9eb 100644 --- a/include/asm-arm/thread_info.h +++ b/include/asm-arm/thread_info.h @@ -94,8 +94,18 @@ static inline struct thread_info *current_thread_info(void) return (struct thread_info *)(sp & ~(THREAD_SIZE - 1)); } -extern struct thread_info *alloc_thread_info(struct task_struct *task); -extern void free_thread_info(struct thread_info *); +/* thread information allocation */ +#ifdef CONFIG_DEBUG_STACK_USAGE +#define alloc_thread_info(tsk) \ + ((struct thread_info *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, \ + THREAD_SIZE_ORDER)) +#else +#define alloc_thread_info(tsk) \ + ((struct thread_info *)__get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER)) +#endif + +#define free_thread_info(info) \ + free_pages((unsigned long)info, THREAD_SIZE_ORDER); #define thread_saved_pc(tsk) \ ((unsigned long)(pc_pointer(task_thread_info(tsk)->cpu_context.pc))) @@ -137,6 +147,7 @@ extern void iwmmxt_task_switch(struct thread_info *); #define TIF_POLLING_NRFLAG 16 #define TIF_USING_IWMMXT 17 #define TIF_MEMDIE 18 +#define TIF_FREEZE 19 #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) @@ -144,6 +155,7 @@ extern void iwmmxt_task_switch(struct thread_info *); #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT) +#define _TIF_FREEZE (1 << TIF_FREEZE) /* * Change these and you break ASM code in entry-common.S |