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Diffstat (limited to 'arch/powerpc/mm/ppc_mmu_32.c')
-rw-r--r--arch/powerpc/mm/ppc_mmu_32.c15
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 cef9e83cc7e..d137abd241f 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)