Jan Kiszka wrote:
> Gilles Chanteperdrix wrote:
>> Jan Kiszka wrote:
>>> Gilles Chanteperdrix wrote:
>>>> Jan Kiszka wrote:
>>>>> BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref));
>> Ok. Maybe printing pgd_page_vaddr(*pgd) and pgd_page_vaddr(*pgd_ref)
>> would help ?
>
> I don't see yet where you want to go. As I said, the issue is rare. I
> rather think we need to approach it theoretically.
Well the bug happens when the two virtual addresses are different (so, I
do not think my original remark applies). So, I want to see what the two
addresses look like, for instance if they are not 0 or ~0.
--
Gilles.
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