1 files changed, 15 insertions, 0 deletions

diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c
index cef9e83cc7e9..d137abd241ff 100644
--- a/arch/powerpc/mm/ppc_mmu_32.c
+++ b/arch/powerpc/mm/ppc_mmu_32.c
@@ -179,6 +179,21 @@ void __init setbat(int index, unsigned long virt, unsigned long phys,
 }
 
 /*
+ * Preload a translation in the hash table
+ */
+void hash_preload(struct mm_struct *mm, unsigned long ea,
+                  unsigned long access, unsigned long trap)
+{
+        pmd_t *pmd;
+
+        if (Hash == 0)
+                return;
+        pmd = pmd_offset(pgd_offset(vma->vm_mm, address), address);
+        if (!pmd_none(*pmd))
+                add_hash_page(vma->vm_mm->context, address, pmd_val(*pmd));
+}
+
+/*
  * Initialize the hash table and patch the instructions in hashtable.S.
  */
 void __init MMU_init_hw(void)