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Re: [Xen-devel] [PATCH v1 4/8] xen/balloon: mark inflated pages PG_offline


  • To: Juergen Gross <jgross@xxxxxxxx>, linux-mm@xxxxxxxxx
  • From: David Hildenbrand <david@xxxxxxxxxx>
  • Date: Mon, 19 Nov 2018 14:07:18 +0100
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  • Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, linux-pm@xxxxxxxxxxxxxxx, pv-drivers@xxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, kexec-ml <kexec@xxxxxxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxx>, "Michael S. Tsirkin" <mst@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, devel@xxxxxxxxxxxxxxxxxxxxxx, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Mon, 19 Nov 2018 13:07:33 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
  • Openpgp: preference=signencrypt

On 19.11.18 13:22, Juergen Gross wrote:
> On 19/11/2018 11:16, David Hildenbrand wrote:
>> Mark inflated and never onlined pages PG_offline, to tell the world that
>> the content is stale and should not be dumped.
>>
>> Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
>> Cc: Juergen Gross <jgross@xxxxxxxx>
>> Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
>> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
>> Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
>> Cc: Michal Hocko <mhocko@xxxxxxxx>
>> Cc: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
>> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
>> ---
>>  drivers/xen/balloon.c | 3 +++
>>  1 file changed, 3 insertions(+)
>>
>> diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
>> index 12148289debd..14dd6b814db3 100644
>> --- a/drivers/xen/balloon.c
>> +++ b/drivers/xen/balloon.c
>> @@ -425,6 +425,7 @@ static int xen_bring_pgs_online(struct page *pg, 
>> unsigned int order)
>>      for (i = 0; i < size; i++) {
>>              p = pfn_to_page(start_pfn + i);
>>              __online_page_set_limits(p);
>> +            __SetPageOffline(p);
>>              __balloon_append(p);
>>      }
> 
> This seems not to be based on current master. Could you please tell
> against which tree this should be reviewed?
> 
Hi Juergen,

this is based on linux-next/master.

Thanks!

> 
> Juergen
> 


-- 

Thanks,

David / dhildenb

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