>>> On 12.12.16 at 05:16, <haozhong.zh...@intel.com> wrote:
> On 12/09/16 17:02 -0500, Konrad Rzeszutek Wilk wrote:
>>On Mon, Oct 10, 2016 at 08:32:22AM +0800, Haozhong Zhang wrote:
>>> +static int pmem_add_check(unsigned long spfn, unsigned long epfn,
>>> + unsigned long rsv_spfn, unsigned long rsv_epfn,
>>> + unsigned long data_spfn, unsigned long data_epfn)
>>> +{
>>> + if ( spfn >= epfn || rsv_spfn >= rsv_epfn || data_spfn >= data_epfn )
>>> + return 0;
>>
>>Hm, I think it ought to be possible to have no rsv area..?
>
> A reserved area must be provided to storing frametable and M2P table of
> NVDIMM.
Is this really "must" rather than just "should", i.e. can't you do
without even if you prefer to have it?
Jan
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