Re: [PATCH 1/3] mm: correct return value of migrate_pages()

[JoonSoo Kim]

2012/7/17 Michal Nazarewicz <mina86@xxxxxxx>:
> Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx>

Thanks.

> Actually, it makes me wonder if there is any code that uses this
> information.  If not, it would be best in my opinion to make it return
> zero or negative error code, but that would have to be checked.

I think that, too.
I looked at every callsites for migrate_pages() and there is no place
which really need fail count.
This function sometimes makes caller error-prone,
so I think changing return value is preferable.

How do you think, Christoph?
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