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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
This commit is contained in:
Thomas Gleixner 2012-05-05 15:05:47 +00:00
parent c4e26890ff
commit 66bb4cda55
1 changed files with 2 additions and 23 deletions
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25
arch/sparc/include/asm/thread_info_64.h
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@ -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())