Re: [RFC][PATCH 07/13] mm/migrate: make migrate_pages() return nr_succeeded

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To: Yang Shi <shy828301@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Subject: Re: [RFC][PATCH 07/13] mm/migrate: make migrate_pages() return nr_succeeded
From: Dave Hansen <dave.hansen@xxxxxxxxx>
Date: Tue, 9 Feb 2021 15:41:56 -0800
Cc: Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Linux MM <linux-mm@xxxxxxxxx>, Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, Huang Ying <ying.huang@xxxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Oscar Salvador <osalvador@xxxxxxx>
In-reply-to: <CAHbLzkryZt1Y5C2srwFSG6DzCqPuxT483wHW_3K1wnaHgGb-Ag@mail.gmail.com>
References: <20210126003411.2AC51464@viggo.jf.intel.com> <20210126003425.038B4812@viggo.jf.intel.com> <CAHbLzkryZt1Y5C2srwFSG6DzCqPuxT483wHW_3K1wnaHgGb-Ag@mail.gmail.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

On 1/29/21 1:04 PM, Yang Shi wrote:
>> @@ -1527,7 +1527,7 @@ retry:
>>                                         nr_succeeded += nr_subpages;
> It seems the above line is missed. The THP accounting change was
> merged in v5.9 before I submitted this patch.

Thanks for reporting that.  Ying found and reported that too.  It's
fixed up in my most recent version.

References:
- [RFC][PATCH 00/13] [v5] Migrate Pages in lieu of discard
  - From: Dave Hansen
- [RFC][PATCH 07/13] mm/migrate: make migrate_pages() return nr_succeeded
  - From: Dave Hansen
- Re: [RFC][PATCH 07/13] mm/migrate: make migrate_pages() return nr_succeeded
  - From: Yang Shi

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