Re: [RESEND Patch v2 0/4] mm/mremap: cleanup move_page_tables() a little

[Kirill A. Shutemov]

On Fri, Jun 26, 2020 at 09:52:12PM +0800, Wei Yang wrote:
> move_page_tables() tries to move page table by PMD or PTE.
> 
> The root reason is if it tries to move PMD, both old and new range should be
> PMD aligned. But current code calculate old range and new range separately.
> This leads to some redundant check and calculation.
> 
> This cleanup tries to consolidate the range check in one place to reduce some
> extra range handling.

The patchet looks good to me. I have few nits, but nothing substantial.

Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

-- 
 Kirill A. Shutemov