Re: [PATCH] mempolicy:add GFP_THISNODE when allocing new page

[KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>]

On Tue,  6 Apr 2010 10:59:37 +0800
Bob Liu <lliubbo@gmail.com> wrote:

> In funtion migrate_pages(), if the dest node have no
> enough free pages,it will fallback to other nodes.
> Add GFP_THISNODE to avoid this, the same as what
> funtion new_page_node() do in migrate.c.
> 
> Signed-off-by: Bob Liu <lliubbo@gmail.com>

Reviewd-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>


> ---
>  mm/mempolicy.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/mm/mempolicy.c b/mm/mempolicy.c
> index 08f40a2..fc5ddf5 100644
> --- a/mm/mempolicy.c
> +++ b/mm/mempolicy.c
> @@ -842,7 +842,8 @@ static void migrate_page_add(struct page *page, struct list_head *pagelist,
>  
>  static struct page *new_node_page(struct page *page, unsigned long node, int **x)
>  {
> -	return alloc_pages_exact_node(node, GFP_HIGHUSER_MOVABLE, 0);
> +	return alloc_pages_exact_node(node,
> +				GFP_HIGHUSER_MOVABLE | GFP_THISNODE, 0);
>  }
>  
>  /*
> -- 
> 1.5.6.3
> 
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