Re: Test case for "mm/thp: carry over dirty bit when thp splits on pmd"

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On Fri, Nov 25, 2022 at 7:17 PM David Hildenbrand <david@xxxxxxxxxx> wrote:
>
> On 25.11.22 12:15, hev wrote:
> > Hi, David,
> >
> >>
> >> Just to ask again,
> >>
> >> is code like
> >>          maybe_mkwrite(pte_mkdirty(entry), vma);
> >>
> >> Like we have in copy_present_page(), wp_page_reuse(), wp_page_copy() ...
> >> broken on LoongArch of the VMA lacks VM_WRITE?
> >
> > Sorry for the late reply. In this test case, The VMA doesn't lack VM_WRITE.
> >
>
> Let me ask again: is this a problem in all of the functions I mentioned
> above were we *could* lack VM_WRITE?
>
> Because that needs fixing independently of this issue here.

Oops. sorry I don't know.

Peter?



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