* Toshi Kani <toshi.kani@xxxxxx> wrote:
> On Fri, 2015-04-03 at 10:12 -0700, Yinghai Lu wrote:
> > On Fri, Apr 3, 2015 at 9:14 AM, Toshi Kani <toshi.kani@xxxxxx> wrote:
> > > On Wed, 2015-04-01 at 09:12 +0200, Christoph Hellwig wrote:
> > > :
> > >> @@ -748,7 +758,7 @@ u64 __init early_reserve_e820(u64 size, u64 align)
> > >> /*
> > >> * Find the highest page frame number we have available
> > >> */
> > >> -static unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned type)
> > >> +static unsigned long __init e820_end_pfn(unsigned long limit_pfn)
> > >> {
> > >> int i;
> > >> unsigned long last_pfn = 0;
> > >> @@ -759,7 +769,11 @@ static unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned type)
> > >> unsigned long start_pfn;
> > >> unsigned long end_pfn;
> > >>
> > >> - if (ei->type != type)
> > >> + /*
> > >> + * Persistent memory is accounted as ram for purposes of
> > >> + * establishing max_pfn and mem_map.
> > >> + */
> > >> + if (ei->type != E820_RAM && ei->type != E820_PRAM)
> > >> continue;
> > >
> > > Should we also delete this code, accounting E820_PRAM as ram, along with
> > > the deletion of reserve_pmem() in this version?
> >
> > should revert those end_of_ram change as attached.
>
> I confirmed that the pmem driver works with the change, and last_pfn is
> updated as expected.
Could someone please send the fix with a changelog, etc?
Thanks,
Ingo
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