diff options
Diffstat (limited to 'arch/powerpc/mm/ppc_mmu_32.c')
| -rw-r--r-- | arch/powerpc/mm/ppc_mmu_32.c | 15 |
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) |