On 06/04/2015 06:04 AM, Xishi Qiu wrote:
> spin_lock(&zone->lock);
> for (i = 0; i < count; ++i) {
> - struct page *page = __rmqueue(zone, order, migratetype);
> + struct page *page;
> +
> + if (is_migrate_mirror(migratetype))
> + page = __rmqueue_smallest(zone, order, migratetype);
> + else
> + page = __rmqueue(zone, order, migratetype);
> if (unlikely(page == NULL))
> break;
Why is this necessary/helpful? The changelog doesn't tell me either. :(
Why was this code modified in stead of putting the changes in
__rmqueue() itself (like CMA did)?
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