>>> On 29.08.17 at 13:56, <wei.l...@citrix.com> wrote:
> On Mon, Aug 28, 2017 at 04:40:28PM -0400, Boris Ostrovsky wrote:
>> There is no need to scrub pages freed during dom0 construction
>> since heap will be scrubbed once dom0 is ready (by scrub_heap_pages()).
>> 
>> Since boot_scrub_done will not be set if boot-time scrubbing is off we
>> also check for domain state.
>> 
>> Signed-off-by: Boris Ostrovsky <boris.ostrov...@oracle.com>
>> ---
>>  xen/common/page_alloc.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c
>> index 34a7992..b93dae9 100644
>> --- a/xen/common/page_alloc.c
>> +++ b/xen/common/page_alloc.c
>> @@ -2259,7 +2259,7 @@ void free_domheap_pages(struct page_info *pg, unsigned 
>> int order)
>>               */
>>              scrub = !!d->is_dying;
>>  #else
>> -            scrub = true;
>> +            scrub = boot_scrub_done || !!d->is_dying;
> 
> It seems that the debug and non-debug case should use the same
> predicate.

No - boot_scrub_done doesn't even exist in the other case.

Jan


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