On Fri, 16 Apr 2010 12:16:18 +0900 (JST)
KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> wrote:
> If vmscan is under lumpy reclaim mode, it have to ignore referenced bit
> for making contenious free pages. but current page_check_references()
> doesn't.
>
> Fixes it.
>
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
> ---
> mm/vmscan.c | 32 +++++++++++++++++---------------
> 1 files changed, 17 insertions(+), 15 deletions(-)
>
> diff --git a/mm/vmscan.c b/mm/vmscan.c
> index 3ff3311..13d9546 100644
> --- a/mm/vmscan.c
> +++ b/mm/vmscan.c
> @@ -77,6 +77,8 @@ struct scan_control {
>
> int order;
>
> + int lumpy_reclaim;
> +
Needs a comment explaining its role, please. Something like "direct
this reclaim run to perform lumpy reclaim"?
A clearer name might be "lumpy_relcaim_mode"?
Making it a `bool' would clarify things too.
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