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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