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Commit 66bb4cda authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

sparc: Use common threadinfo allocator 



Exaclty the same as the core code.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarDavid S. Miller <davem@davemloft.net>
Link: http://lkml.kernel.org/r/20120505150142.252861878@linutronix.de
parent c4e26890

arch/sparc/include/asm/thread_info_64.h

+2 −23
Original line number Diff line number Diff line
@@ -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())