diff options
Diffstat (limited to 'arch/powerpc/mm/book3s32/tlb.c')
| -rw-r--r-- | arch/powerpc/mm/book3s32/tlb.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/powerpc/mm/book3s32/tlb.c b/arch/powerpc/mm/book3s32/tlb.c index 2fcd321040ff..dc9039a170aa 100644 --- a/arch/powerpc/mm/book3s32/tlb.c +++ b/arch/powerpc/mm/book3s32/tlb.c @@ -79,15 +79,18 @@ static void flush_range(struct mm_struct *mm, unsigned long start, int count; unsigned int ctx = mm->context.id; + start &= PAGE_MASK; if (!Hash) { - _tlbia(); + if (end - start <= PAGE_SIZE) + _tlbie(start); + else + _tlbia(); return; } - start &= PAGE_MASK; if (start >= end) return; end = (end - 1) | ~PAGE_MASK; - pmd = pmd_offset(pud_offset(pgd_offset(mm, start), start), start); + pmd = pmd_ptr(mm, start); for (;;) { pmd_end = ((start + PGDIR_SIZE) & PGDIR_MASK) - 1; if (pmd_end > end) @@ -145,7 +148,7 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr) return; } mm = (vmaddr < TASK_SIZE)? vma->vm_mm: &init_mm; - pmd = pmd_offset(pud_offset(pgd_offset(mm, vmaddr), vmaddr), vmaddr); + pmd = pmd_ptr(mm, vmaddr); if (!pmd_none(*pmd)) flush_hash_pages(mm->context.id, vmaddr, pmd_val(*pmd), 1); } |