>> >>>On 29.09.2015 at 15:22 <jbeul...@suse.com> wrote:
> >>> On 29.09.15 at 04:53, <quan...@intel.com> wrote:
> >>>> Monday, September 28, 2015 2:47 PM,<jbeul...@suse.com> wrote:
> >> >>> On 28.09.15 at 05:08, <quan...@intel.com> wrote:
> >> >>>> Thursday, September 24, 2015 12:27 AM, Tim Deegan wrote:


>The extra ref taken will prevent the page from getting freed. 

Jan, could you share more about it?

I want to check some cases of Xen memory. i.e.

1. if (page->count_info & PGC_count_mask == 0) and (page->count_info != 0)
In this case, can the page be freed to xen domain heap?

2. if  (page->count_info & PGC_count_mask == 0) and  (page->u.inuse.type_info 
!= 0) :
In this case, can the page be freed to xen domain heap?

Thanks!

Quan

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