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-rw-r--r--include/asm-powerpc/pgtable.h13
-rw-r--r--include/asm-powerpc/tlbflush.h11
2 files changed, 13 insertions, 11 deletions
diff --git a/include/asm-powerpc/pgtable.h b/include/asm-powerpc/pgtable.h
index d18ffe7bc7c4..dbb8ca172e44 100644
--- a/include/asm-powerpc/pgtable.h
+++ b/include/asm-powerpc/pgtable.h
@@ -38,6 +38,19 @@ extern void paging_init(void);
38 remap_pfn_range(vma, vaddr, pfn, size, prot) 38 remap_pfn_range(vma, vaddr, pfn, size, prot)
39 39
40#include <asm-generic/pgtable.h> 40#include <asm-generic/pgtable.h>
41
42
43/*
44 * This gets called at the end of handling a page fault, when
45 * the kernel has put a new PTE into the page table for the process.
46 * We use it to ensure coherency between the i-cache and d-cache
47 * for the page which has just been mapped in.
48 * On machines which use an MMU hash table, we use this to put a
49 * corresponding HPTE into the hash table ahead of time, instead of
50 * waiting for the inevitable extra hash-table miss exception.
51 */
52extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
53
41#endif /* __ASSEMBLY__ */ 54#endif /* __ASSEMBLY__ */
42 55
43#endif /* __KERNEL__ */ 56#endif /* __KERNEL__ */
diff --git a/include/asm-powerpc/tlbflush.h b/include/asm-powerpc/tlbflush.h
index 5c9108147644..361cd5c7a32b 100644
--- a/include/asm-powerpc/tlbflush.h
+++ b/include/asm-powerpc/tlbflush.h
@@ -162,16 +162,5 @@ extern void __flush_hash_table_range(struct mm_struct *mm, unsigned long start,
162 162
163#endif 163#endif
164 164
165/*
166 * This gets called at the end of handling a page fault, when
167 * the kernel has put a new PTE into the page table for the process.
168 * We use it to ensure coherency between the i-cache and d-cache
169 * for the page which has just been mapped in.
170 * On machines which use an MMU hash table, we use this to put a
171 * corresponding HPTE into the hash table ahead of time, instead of
172 * waiting for the inevitable extra hash-table miss exception.
173 */
174extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
175
176#endif /*__KERNEL__ */ 165#endif /*__KERNEL__ */
177#endif /* _ASM_POWERPC_TLBFLUSH_H */ 166#endif /* _ASM_POWERPC_TLBFLUSH_H */