linux-kernel - Re: [PATCH] mm/rmap: Correct obsolete comment of page_get_anon

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Message-ID: <27b33f18-7c5e-8b0a-abea-f4eef01e6285@huawei.com>
Date:   Fri, 5 Feb 2021 11:11:55 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     Matthew Wilcox <willy@...radead.org>
CC:     <akpm@...ux-foundation.org>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm/rmap: Correct obsolete comment of page_get_anon_vma()

Hi:
On 2021/2/4 20:38, Matthew Wilcox wrote:
> On Wed, Feb 03, 2021 at 04:32:15AM -0500, Miaohe Lin wrote:
>>   * Since there is no serialization what so ever against page_remove_rmap()
>> - * the best this function can do is return a locked anon_vma that might
>> - * have been relevant to this page.
>> + * the best this function can do is return a refcount increased anon_vma
>> + * that might have been relevant to this page.
> 
> Just s/a locked/an/

Many thanks for your review and reply.

> there's no need to mention again that the refcount> is increased.

I think it's ok to mention again that the refcount is increased although I didn't find
out where this is first mentioned.
Thanks again.

> .
>