On 07/09/18 08:51, Jan Beulich wrote:
>>>> On 06.09.18 at 17:33, <marma...@invisiblethingslab.com> wrote:
>> --- a/include/xen/mem-reservation.h
>> +++ b/include/xen/mem-reservation.h
>> @@ -17,12 +17,17 @@
>>
>> #include <xen/page.h>
>>
>> +#ifdef CONFIG_XEN_SCRUB_PAGES
>> +extern bool xen_scrub_pages;
>> +
>> static inline void xenmem_reservation_scrub_page(struct page *page)
>> {
>> -#ifdef CONFIG_XEN_SCRUB_PAGES
>> - clear_highpage(page);
>> -#endif
>> + if (xen_scrub_pages)
>> + clear_highpage(page);
>> }
>> +#else
>> +static inline void xenmem_reservation_scrub_page(struct page *page) { }
>> +#endif
>
> Wouldn't CONFIG_XEN_SCRUB_PAGES then better become
> CONFIG_XEN_SCRUB_PAGES_DEFAULT, with the value used as
> initializer of xen_scrub_pages?
Yes, I'd like that better.
Juergen
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