Merge ../linus

[linux-drm-fsl-dcu.git] / arch / arm / kernel / process.c

diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index bf35c178a8772d232fc5e5e1eb0e5ba91449a2fd..a9e8f7e55fd61edc8242f1193c95d49fb5d14d42 100644 (file)
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -280,67 +280,6 @@ void show_fpregs(struct user_fp *regs)
                (unsigned long)regs->fpcr);
 }
 
-/*
- * 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..
  */