Re: [PATCH v12 5/6] khugepaged: enable collapse pmd for pte-mapped THP
From: Kirill A. Shutemov
Date: Mon Aug 12 2019 - 08:11:49 EST
On Fri, Aug 09, 2019 at 06:01:18PM +0000, Song Liu wrote:
> + if (pte_none(*pte) || !pte_present(*pte))
> + continue;
You don't need to check both. Present is never none.
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Kirill A. Shutemov