tile: Use common threadinfo allocator

Use the core allocator and deal with the extra cleanup in
arch_release_thread_info().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Link: http://lkml.kernel.org/r/20120505150142.311126440@linutronix.de

1 files changed, 2 insertions, 21 deletions

diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c
index 2d5ef617bb39..efb9833ce892 100644
--- a/arch/tile/kernel/process.c
+++ b/arch/tile/kernel/process.c
@@ -114,27 +114,10 @@ void cpu_idle(void)
         }
 }
 
-struct thread_info *alloc_thread_info_node(struct task_struct *task, int node)
-{
-        struct page *page;
-        gfp_t flags = GFP_KERNEL;
-
-#ifdef CONFIG_DEBUG_STACK_USAGE
-        flags |= __GFP_ZERO;
-#endif
-
-        page = alloc_pages_node(node, flags, THREAD_SIZE_ORDER);
-        if (!page)
-                return NULL;
-
-        return (struct thread_info *)page_address(page);
-}
-
 /*
- * Free a thread_info node, and all of its derivative
- * data structures.
+ * Release a thread_info structure
  */
-void free_thread_info(struct thread_info *info)
+void arch_release_thread_info(struct thread_info *info)
 {
         struct single_step_state *step_state = info->step_state;
 
@@ -169,8 +152,6 @@ void free_thread_info(struct thread_info *info)
                  */
                 kfree(step_state);
         }
-
-        free_pages((unsigned long)info, THREAD_SIZE_ORDER);
 }
 
 static void save_arch_state(struct thread_struct *t);