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

Tim Pepper
2008-06-09T04:48:31Z

On Thu, Jun 5, 2008 at 2:43 AM, <npiggin@suse.de> 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?