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@@ -38,6 +38,19 @@ extern void paging_init(void);
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remap_pfn_range(vma, vaddr, pfn, size, prot)
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#include <asm-generic/pgtable.h>
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+
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+
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+/*
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+ * This gets called at the end of handling a page fault, when
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+ * the kernel has put a new PTE into the page table for the process.
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+ * We use it to ensure coherency between the i-cache and d-cache
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+ * for the page which has just been mapped in.
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+ * On machines which use an MMU hash table, we use this to put a
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+ * corresponding HPTE into the hash table ahead of time, instead of
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+ * waiting for the inevitable extra hash-table miss exception.
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+ */
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+extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
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+
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#endif /* __ASSEMBLY__ */
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#endif /* __KERNEL__ */
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