Re: [PATCH v5 6/6] mm: simplify follow_invalidate_pte()

To: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Subject: Re: [PATCH v5 6/6] mm: simplify follow_invalidate_pte()
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 22 Mar 2022 01:35:15 -0700
Cc: dan.j.williams@xxxxxxxxx, willy@xxxxxxxxxxxxx, jack@xxxxxxx, viro@xxxxxxxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, apopple@xxxxxxxxxx, shy828301@xxxxxxxxx, rcampbell@xxxxxxxxxx, hughd@xxxxxxxxxx, xiyuyang19@xxxxxxxxxxxx, kirill.shutemov@xxxxxxxxxxxxxxx, zwisler@xxxxxxxxxx, hch@xxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, nvdimm@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, duanxiongchun@xxxxxxxxxxxxx, smuchun@xxxxxxxxx
In-reply-to: <20220318074529.5261-7-songmuchun@bytedance.com>
References: <20220318074529.5261-1-songmuchun@bytedance.com> <20220318074529.5261-7-songmuchun@bytedance.com>

Looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH v5 0/6] Fix some bugs related to ramp and dax
  - From: Muchun Song
- [PATCH v5 6/6] mm: simplify follow_invalidate_pte()
  - From: Muchun Song