On 16.02.2024 12:03, Oleksii wrote:
>>
>>> + } free;
>>> + } u;
>>> +
>>> + union {
>>> + /* Page is in use, but not as a shadow. */
>>
>> I'm also pretty sure I asked before what shadow this comment alludes
>> to.
> I missed your request about 'shadow' before.
>
> The comment arrived from Arm.
>
> I tried to find out the answer by investigation how 'inuse' is used,
> and, unfortunately, I couldn't find an answer what 'shadow' alludes to.
That's from x86'es shadow paging, where a page can serve as a "shadow" of
a guest page table page.
Jan
