On Tue, Apr 25, 2017 at 11:53 AM, Ingo Molnar wrote:
>
> * Dan Williams wrote:
>
>> On Tue, Apr 25, 2017 at 2:25 AM, Kirill A. Shutemov
>> wrote:
>> > remove_pagetable() does page walk using p*d_page_vaddr() plus cast.
>> > It's not canonical approach -- we usually use p*d_offset() for that.
>>
* Dan Williams wrote:
> On Tue, Apr 25, 2017 at 2:25 AM, Kirill A. Shutemov
> wrote:
> > remove_pagetable() does page walk using p*d_page_vaddr() plus cast.
> > It's not canonical approach -- we usually use p*d_offset() for that.
> >
> > It works fine as long as all page table levels are presen
On Tue, Apr 25, 2017 at 2:25 AM, Kirill A. Shutemov
wrote:
> remove_pagetable() does page walk using p*d_page_vaddr() plus cast.
> It's not canonical approach -- we usually use p*d_offset() for that.
>
> It works fine as long as all page table levels are present. We broke the
> invariant by introd
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