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SubjectRe: [PATCH RFC 08/12] xen-blkback: use balloon pages for all mappings
On 04/03/13 21:22, Konrad Rzeszutek Wilk wrote:
[...]
>> @@ -535,13 +604,17 @@ purge_gnt_list:
>> msecs_to_jiffies(xen_blkif_lru_interval);
>> }
>>
>> + remove_free_pages(blkif, xen_blkif_max_buffer_pages);
>> +
>> if (log_stats && time_after(jiffies, blkif->st_print))
>> print_stats(blkif);
>> }
>>
>> + remove_free_pages(blkif, 0);
>
> What purpose does that have?

This removes all the pages from the pool before closing down.


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