sparc32: use the common implementation of alloc_thread_info_node()
With sun4c removed we can fall-back to the common implementation. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Thomas Gleixner <tglx@linutronix.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -37,7 +37,6 @@ config SPARC32
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def_bool !64BIT
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select GENERIC_ATOMIC64
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select CLZ_TAB
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select ARCH_THREAD_INFO_ALLOCATOR
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config SPARC64
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def_bool 64BIT
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@ -77,18 +77,11 @@ register struct thread_info *current_thread_info_reg asm("g6");
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/*
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* thread information allocation
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*/
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#define THREAD_INFO_ORDER 1
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struct thread_info * alloc_thread_info_node(struct task_struct *tsk, int node);
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void free_thread_info(struct thread_info *);
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#define THREAD_SIZE_ORDER 1
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#endif /* __ASSEMBLY__ */
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/*
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* Size of kernel stack for each process.
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* Observe the order of get_free_pages() in alloc_thread_info_node().
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* The sun4 has 8K stack too, because it's short on memory, and 16K is a waste.
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*/
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/* Size of kernel stack for each process */
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#define THREAD_SIZE (2 * PAGE_SIZE)
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/*
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@ -467,33 +467,6 @@ void srmmu_unmapiorange(unsigned long virt_addr, unsigned int len)
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flush_tlb_all();
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}
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/*
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* On the SRMMU we do not have the problems with limited tlb entries
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* for mapping kernel pages, so we just take things from the free page
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* pool. As a side effect we are putting a little too much pressure
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* on the gfp() subsystem. This setup also makes the logic of the
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* iommu mapping code a lot easier as we can transparently handle
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* mappings on the kernel stack without any special code.
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*/
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struct thread_info *alloc_thread_info_node(struct task_struct *tsk, int node)
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{
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struct thread_info *ret;
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ret = (struct thread_info *)__get_free_pages(GFP_KERNEL,
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THREAD_INFO_ORDER);
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#ifdef CONFIG_DEBUG_STACK_USAGE
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if (ret)
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memset(ret, 0, PAGE_SIZE << THREAD_INFO_ORDER);
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#endif /* DEBUG_STACK_USAGE */
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return ret;
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}
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void free_thread_info(struct thread_info *ti)
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{
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free_pages((unsigned long)ti, THREAD_INFO_ORDER);
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}
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/* tsunami.S */
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extern void tsunami_flush_cache_all(void);
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extern void tsunami_flush_cache_mm(struct mm_struct *mm);
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