x86: Use common threadinfo allocator
The only difference is the free_thread_info function, which frees
xstate.
Use the new arch_release_task_struct() function instead and switch
over to the core allocator.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20120505150141.559556763@linutronix.de
Cc: x86@kernel.org
diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index 8692a16..73cfe0d 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -155,24 +155,6 @@
#define PREEMPT_ACTIVE 0x10000000
-/* thread information allocation */
-#ifdef CONFIG_DEBUG_STACK_USAGE
-#define THREAD_FLAGS (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO)
-#else
-#define THREAD_FLAGS (GFP_KERNEL | __GFP_NOTRACK)
-#endif
-
-#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
-
-#define alloc_thread_info_node(tsk, node) \
-({ \
- struct page *page = alloc_pages_node(node, THREAD_FLAGS, \
- THREAD_ORDER); \
- struct thread_info *ret = page ? page_address(page) : NULL; \
- \
- ret; \
-})
-
#ifdef CONFIG_X86_32
#define STACK_WARN (THREAD_SIZE/8)
@@ -282,7 +264,7 @@
#ifndef __ASSEMBLY__
extern void arch_task_cache_init(void);
-extern void free_thread_info(struct thread_info *ti);
extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
+extern void arch_release_task_struct(struct task_struct *tsk);
#endif
#endif /* _ASM_X86_THREAD_INFO_H */