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    SubjectRe: 2.6.19 file content corruption on ext3
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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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