Re: [PATCH v3 0/4] Change the return value for page isolation functions

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Hi Baolin,

On Wed, 15 Feb 2023 18:39:33 +0800 Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> wrote:

> Now the page isolation functions did not return a boolean to indicate
> success or not, instead it will return a negative error when failed
> to isolate a page. So below code used in most places seem a boolean
> success/failure thing, which can confuse people whether the isolation
> is successful.
> 
> if (folio_isolate_lru(folio))
>         continue;
> 
> Moreover the page isolation functions only return 0 or -EBUSY, and
> most users did not care about the negative error except for few users,
> thus we can convert all page isolation functions to return a boolean
> value, which can remove the confusion to make code more clear.
> 
> No functional changes intended in this patch series.

For the series,

Reviewed-by: SeongJae Park <sj@xxxxxxxxxx>


Thanks,
SJ

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