[tip:smp/hotplug] sparc: Use common threadinfo allocator

[tip-bot for Thomas Gleixner <tglx@linutronix.de>]

Commit-ID:  66bb4cda55477efeb1be5c2cbd3785a69b088a8a
Gitweb:     http://git.kernel.org/tip/66bb4cda55477efeb1be5c2cbd3785a69b088a8a
Author:     Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Sat, 5 May 2012 15:05:47 +0000
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Tue, 8 May 2012 14:08:46 +0200

sparc: Use common threadinfo allocator

Exaclty the same as the core code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: David S. Miller <davem@davemloft.net>
Link: http://lkml.kernel.org/r/20120505150142.252861878@linutronix.de
---
 arch/sparc/include/asm/thread_info_64.h |   25 ++-----------------------
 1 files changed, 2 insertions(+), 23 deletions(-)

diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index 01d057f..7f0981b 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -138,32 +138,11 @@ register struct thread_info *current_thread_info_reg asm("g6");
 
 /* thread information allocation */
 #if PAGE_SHIFT == 13
-#define __THREAD_INFO_ORDER	1
+#define THREAD_SIZE_ORDER	1
 #else /* PAGE_SHIFT == 13 */
-#define __THREAD_INFO_ORDER	0
+#define THREAD_SIZE_ORDER	0
 #endif /* PAGE_SHIFT == 13 */
 
-#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
-
-#ifdef CONFIG_DEBUG_STACK_USAGE
-#define THREAD_FLAGS (GFP_KERNEL | __GFP_ZERO)
-#else
-#define THREAD_FLAGS (GFP_KERNEL)
-#endif
-
-#define alloc_thread_info_node(tsk, node)				\
-({									\
-	struct page *page = alloc_pages_node(node, THREAD_FLAGS,	\
-					     __THREAD_INFO_ORDER);	\
-	struct thread_info *ret;					\
-									\
-	ret = page ? page_address(page) : NULL;				\
-	ret;								\
-})
-
-#define free_thread_info(ti) \
-	free_pages((unsigned long)(ti),__THREAD_INFO_ORDER)
-
 #define __thread_flag_byte_ptr(ti)	\
 	((unsigned char *)(&((ti)->flags)))
 #define __cur_thread_flag_byte_ptr	__thread_flag_byte_ptr(current_thread_info())