linux-kernel - Re: [PATCH 2/3] mm: fix possible incorrect return value of migrate

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Message-ID: <CAAmzW4OZZgPKrffdvMmEgpzF=7C9mJTkEhBfjJ5G7Q15xLzv2g@mail.gmail.com>
Date:	Tue, 17 Jul 2012 02:59:18 +0900
From:	JoonSoo Kim <js1304@...il.com>
To:	Michal Nazarewicz <mina86@...n.pl>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, Sasha Levin <levinsasha928@...il.com>,
	Christoph Lameter <cl@...ux.com>
Subject: Re: [PATCH 2/3] mm: fix possible incorrect return value of
 migrate_pages() syscall

2012/7/17 Michal Nazarewicz <mina86@...n.pl>:
> Joonsoo Kim <js1304@...il.com> writes:
>> do_migrate_pages() can return the number of pages not migrated.
>> Because migrate_pages() syscall return this value directly,
>> migrate_pages() syscall may return the number of pages not migrated.
>> In fail case in migrate_pages() syscall, we should return error value.
>> So change err to -EIO
>>
>> Additionally, Correct comment above do_migrate_pages()
>>
>> Signed-off-by: Joonsoo Kim <js1304@...il.com>
>> Cc: Sasha Levin <levinsasha928@...il.com>
>> Cc: Christoph Lameter <cl@...ux.com>
>
> Acked-by: Michal Nazarewicz <mina86@...a86.com>

Thanks.

When I resend with changing -EIO to -EBUSY,
could I include "Acked-by: Michal Nazarewicz <mina86@...a86.com>"?
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