Messages in this thread | | | Subject | Re: 2.6.19 file content corruption on ext3 | From | Peter Zijlstra <> | Date | Wed, 20 Dec 2006 10:32:32 +0100 |
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On Tue, 2006-12-19 at 16:23 -0800, Linus Torvalds wrote:
> Pls test.
Is good. Only s390 remains a question.
Another point, change_protection() also does a cache flush, should we too?
> ---- > diff --git a/mm/rmap.c b/mm/rmap.c > index d8a842a..eec8706 100644 > --- a/mm/rmap.c > +++ b/mm/rmap.c > @@ -448,9 +448,10 @@ static int page_mkclean_one(struct page *page, struct vm_area_struct *vma) > goto unlock; > > entry = ptep_get_and_clear(mm, address, pte); flush_cache_page(vma, address, pte_pfn(entry)); > + flush_tlb_page(vma, address); > entry = pte_mkclean(entry); > entry = pte_wrprotect(entry); > - ptep_establish(vma, address, pte, entry); > + set_pte_at(mm, address, pte, entry); > lazy_mmu_prot_update(entry); > ret = 1; > >
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