sparc32: drop unused kmap_atomic_to_page

[karo-tx-linux.git] / arch / sparc / mm / highmem.c

diff --git a/arch/sparc/mm/highmem.c b/arch/sparc/mm/highmem.c
index 055c66cf1bf4454347ebd7b2b0d3a1cabadff047..856432a109d20883d96f5557d3ce9ffa9e797c15 100644 (file)
--- a/arch/sparc/mm/highmem.c
+++ b/arch/sparc/mm/highmem.c
@@ -110,21 +110,3 @@ void __kunmap_atomic(void *kvaddr)
        pagefault_enable();
 }
 EXPORT_SYMBOL(__kunmap_atomic);
-
-/* We may be fed a pagetable here by ptep_to_xxx and others. */
-struct page *kmap_atomic_to_page(void *ptr)
-{
-       unsigned long idx, vaddr = (unsigned long)ptr;
-       pte_t *pte;
-
-       if (vaddr < SRMMU_NOCACHE_VADDR)
-               return virt_to_page(ptr);
-       if (vaddr < PKMAP_BASE)
-               return pfn_to_page(__nocache_pa(vaddr) >> PAGE_SHIFT);
-       BUG_ON(vaddr < FIXADDR_START);
-       BUG_ON(vaddr > FIXADDR_TOP);
-
-       idx = virt_to_fix(vaddr);
-       pte = kmap_pte - (idx - FIX_KMAP_BEGIN);
-       return pte_page(*pte);
-}