diff options
Diffstat (limited to 'arch/powerpc/mm/pgtable.c')
-rw-r--r-- | arch/powerpc/mm/pgtable.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c index d71c7777669c..aee04b209b51 100644 --- a/arch/powerpc/mm/pgtable.c +++ b/arch/powerpc/mm/pgtable.c @@ -188,11 +188,10 @@ void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte) { /* - * When handling numa faults, we already have the pte marked - * _PAGE_PRESENT, but we can be sure that it is not in hpte. - * Hence we can use set_pte_at for them. + * Make sure hardware valid bit is not set. We don't do + * tlb flush for this update. */ - VM_WARN_ON(pte_present(*ptep) && !pte_protnone(*ptep)); + VM_WARN_ON(pte_val(*ptep) & _PAGE_PRESENT); /* Add the pte bit when trying to set a pte */ pte = __pte(pte_val(pte) | _PAGE_PTE); |