Re: [PATCH 1/3] When migrate_pages returns 0, all pages must have been released

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On Fri, 21 Jan 2011, Minchan Kim wrote:

> diff --git a/mm/migrate.c b/mm/migrate.c
> index 46fe8cc..7d34237 100644
> --- a/mm/migrate.c
> +++ b/mm/migrate.c
> @@ -772,6 +772,7 @@ uncharge:
>  unlock:
>  	unlock_page(page);
>
> +move_newpage:
>  	if (rc != -EAGAIN) {
>   		/*
>   		 * A page that has been migrated has all references
> @@ -785,8 +786,6 @@ unlock:
>  		putback_lru_page(page);
>  	}
>
> -move_newpage:
> -
>  	/*
>  	 * Move the new page to the LRU. If migration was not successful
>  	 * then this will free the page.
>

What does this do? Not covered by the description.


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