>>> + pgd = __pgd(__pa(kasan_zero_pmd) | PAGE_KERNEL);
>>> +#else
>>> + pgd = __pgd(__pa(kasan_zero_pte) | PAGE_KERNEL);
>>> +#endif
>>> +
>>> + for (i = pgd_index(start); start < end; i++) {
>>> + set_pgd(&pgdp[i], pgd);
>>> + start += PGDIR_SIZE;
>>> + }
>>> +}
>>
>> Same problem as above with PAGE_KERNEL. You should just use
>> pgd_populate().
Any suggestion what the correct flag setting would be here for a 4K mapping?
I tried fixing this by changing this to pud and setting the PMD_TYPE_TABLE flag
for kasan_zero_pmd. However the MMU doesn't like it and I get a first level
address translation fault.
If you have any updated patches to share I'd be glad to try them out.
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