On Tue, Dec 10, 2013 at 05:19:24PM +0800, Wanpeng Li wrote:
> commit 7851a45cd3 (mm: numa: Copy cpupid on page migration) copy over
> the cpupid at page migration time, there is unnecessary to set it again
> in function migrate_misplaced_transhuge_page, this patch fix it.
>
> Acked-by: Mel Gorman <mgorman@xxxxxxx>
> Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>
> Signed-off-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
> ---
> mm/migrate.c | 2 --
> 1 files changed, 0 insertions(+), 2 deletions(-)
>
> diff --git a/mm/migrate.c b/mm/migrate.c
> index bb94004..fdb70f7 100644
> --- a/mm/migrate.c
> +++ b/mm/migrate.c
> @@ -1736,8 +1736,6 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm,
> if (!new_page)
> goto out_fail;
>
> - page_cpupid_xchg_last(new_page, page_cpupid_last(page));
> -
> isolated = numamigrate_isolate_page(pgdat, page);
> if (!isolated) {
> put_page(new_page);
> --
> 1.7.7.6
>
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