Re: [patch 3/7] mm: speculative page references

[Tim Pepper]

On Thu, Jun 5, 2008 at 2:43 AM,  <npiggin@xxxxxxx> wrote:
> --- linux-2.6.orig/mm/vmscan.c
> +++ linux-2.6/mm/vmscan.c
> @@ -390,12 +390,10 @@ static pageout_t pageout(struct page *pa
>  }
>
>  /*
> - * Attempt to detach a locked page from its ->mapping.  If it is dirty or if
> - * someone else has a ref on the page, abort and return 0.  If it was
> - * successfully detached, return 1.  Assumes the caller has a single ref on
> - * this page.
> + * Save as remove_mapping, but if the page is removed from the mapping, it
> + * gets returned with a refcount of 0.

       ^^^^^^

Same as?
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