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SubjectRe: [PATCH 15/40] autonuma: knuma_migrated per NUMA node queues
On 06/28/2012 08:55 AM, Andrea Arcangeli wrote:

> diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
> index 2427706..d53b26a 100644
> --- a/include/linux/mmzone.h
> +++ b/include/linux/mmzone.h
> @@ -697,6 +697,12 @@ typedef struct pglist_data {
> struct task_struct *kswapd;
> int kswapd_max_order;
> enum zone_type classzone_idx;
> +#ifdef CONFIG_AUTONUMA
> + spinlock_t autonuma_lock;
> + struct list_head autonuma_migrate_head[MAX_NUMNODES];
> + unsigned long autonuma_nr_migrate_pages;
> + wait_queue_head_t autonuma_knuma_migrated_wait;
> +#endif
> } pg_data_t;
>
> #define node_present_pages(nid) (NODE_DATA(nid)->node_present_pages)

Once again, the data structure could use documentation.

What are these things for?

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