On 21.11.18 04:22, Nadav Amit wrote:
> Thanks for this patch!
>
>> On Nov 19, 2018, at 2:16 AM, David Hildenbrand <david@xxxxxxxxxx> wrote:
>>
>> Mark inflated and never onlined pages PG_offline, to tell the world that
>> the content is stale and should not be dumped.
>>
>> Cc: Xavier Deguillard <xdeguillard@xxxxxxxxxx>
>> Cc: Nadav Amit <namit@xxxxxxxxxx>
>> Cc: Arnd Bergmann <arnd@xxxxxxxx>
>> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>> Cc: Julien Freche <jfreche@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/misc/vmw_balloon.c | 32 ++++++++++++++++++++++++++++++++
>> 1 file changed, 32 insertions(+)
>>
>> diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c
>> index e6126a4b95d3..8cc8bd9a4e32 100644
>> --- a/drivers/misc/vmw_balloon.c
>> +++ b/drivers/misc/vmw_balloon.c
>> @@ -544,6 +544,36 @@ unsigned int vmballoon_page_order(enum vmballoon_page_size_type page_size)
>> return page_size == VMW_BALLOON_2M_PAGE ? VMW_BALLOON_2M_ORDER : 0;
>> }
>>
>> +/**
>> + * vmballoon_mark_page_offline() - mark a page as offline
>> + * @page: pointer for the page
>
> If possible, please add a period at the end of the sentence (yes, I know I
> got it wrong in some places too).
Sure :)
>
>> + * @page_size: the size of the page.
>> + */
>> +static void
>> +vmballoon_mark_page_offline(struct page *page,
>> + enum vmballoon_page_size_type page_size)
>> +{
>> + int i;
>> +
>> + for (i = 0; i < 1ULL << vmballoon_page_order(page_size); i++)
>
> Can you please do instead:
>
> unsigned int;
>
> for (i = 0; i < vmballoon_page_in_frames(page_size); i++)
>
Will do, will have to move both functions a little bit down in the file
(exactly one function).
> We would like to test it in the next few days, but in the meanwhile, after
> you address these minor issues:
>
> Acked-by: Nadav Amit <namit@xxxxxxxxxx>
Thanks!
>
> Thanks again,
> Nadav
>
--
Thanks,
David / dhildenb
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