linux-kernel - Re: [PATCH 0/5] mm/mremap.c: cleanup move_page

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Message-ID: <20200119021107.GA9745@richard>
Date:   Sun, 19 Jan 2020 10:11:07 +0800
From:   Wei Yang <richardw.yang@...ux.intel.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Wei Yang <richardw.yang@...ux.intel.com>, dan.j.williams@...el.com,
        aneesh.kumar@...ux.ibm.com, kirill@...temov.name,
        yang.shi@...ux.alibaba.com, thellstrom@...are.com,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 0/5] mm/mremap.c: cleanup move_page_tables() a little

On Sat, Jan 18, 2020 at 04:07:02PM -0800, Andrew Morton wrote:
>On Sat, 18 Jan 2020 07:22:49 +0800 Wei Yang <richardw.yang@...ux.intel.com> 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.
>
>Thanks, I grabbed these, aimed at 5.7-rc1.

Thanks :)

-- 
Wei Yang
Help you, Help me