sparc32: drop unused kmap_atomic_to_page
No users left of this function - drop it. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -72,7 +72,6 @@ static inline void kunmap(struct page *page)
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extern void *kmap_atomic(struct page *page);
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extern void __kunmap_atomic(void *kvaddr);
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extern struct page *kmap_atomic_to_page(void *vaddr);
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#define flush_cache_kmaps() flush_cache_all()
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@ -110,21 +110,3 @@ void __kunmap_atomic(void *kvaddr)
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pagefault_enable();
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}
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EXPORT_SYMBOL(__kunmap_atomic);
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/* We may be fed a pagetable here by ptep_to_xxx and others. */
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struct page *kmap_atomic_to_page(void *ptr)
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{
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unsigned long idx, vaddr = (unsigned long)ptr;
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pte_t *pte;
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if (vaddr < SRMMU_NOCACHE_VADDR)
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return virt_to_page(ptr);
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if (vaddr < PKMAP_BASE)
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return pfn_to_page(__nocache_pa(vaddr) >> PAGE_SHIFT);
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BUG_ON(vaddr < FIXADDR_START);
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BUG_ON(vaddr > FIXADDR_TOP);
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idx = virt_to_fix(vaddr);
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pte = kmap_pte - (idx - FIX_KMAP_BEGIN);
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return pte_page(*pte);
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}
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