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-rw-r--r--arch/arm/kernel/process.c61
1 files changed, 0 insertions, 61 deletions
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index bf35c178a87..a9e8f7e55fd 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -281,67 +281,6 @@ void show_fpregs(struct user_fp *regs)
}
/*
- * Task structure and kernel stack allocation.
- */
-struct thread_info_list {
- unsigned long *head;
- unsigned int nr;
-};
-
-static DEFINE_PER_CPU(struct thread_info_list, thread_info_list) = { NULL, 0 };
-
-#define EXTRA_TASK_STRUCT 4
-
-struct thread_info *alloc_thread_info(struct task_struct *task)
-{
- struct thread_info *thread = NULL;
-
- if (EXTRA_TASK_STRUCT) {
- struct thread_info_list *th = &get_cpu_var(thread_info_list);
- unsigned long *p = th->head;
-
- if (p) {
- th->head = (unsigned long *)p[0];
- th->nr -= 1;
- }
- put_cpu_var(thread_info_list);
-
- thread = (struct thread_info *)p;
- }
-
- if (!thread)
- thread = (struct thread_info *)
- __get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER);
-
-#ifdef CONFIG_DEBUG_STACK_USAGE
- /*
- * The stack must be cleared if you want SYSRQ-T to
- * give sensible stack usage information
- */
- if (thread)
- memzero(thread, THREAD_SIZE);
-#endif
- return thread;
-}
-
-void free_thread_info(struct thread_info *thread)
-{
- if (EXTRA_TASK_STRUCT) {
- struct thread_info_list *th = &get_cpu_var(thread_info_list);
- if (th->nr < EXTRA_TASK_STRUCT) {
- unsigned long *p = (unsigned long *)thread;
- p[0] = (unsigned long)th->head;
- th->head = p;
- th->nr += 1;
- put_cpu_var(thread_info_list);
- return;
- }
- put_cpu_var(thread_info_list);
- }
- free_pages((unsigned long)thread, THREAD_SIZE_ORDER);
-}
-
-/*
* Free current thread data structures etc..
*/
void exit_thread(void)