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Date:	Fri, 6 May 2016 08:31:34 -0700
From:	Dan Williams <>
To:	Guenter Roeck <>
Cc:	"" <>,
	stable <>
Subject: Re: Mainline: Build error in drivers/nvdimm/pmem.c due to commit 658922e57b84

On Thu, May 5, 2016 at 11:12 PM, Guenter Roeck <> wrote:
> alpha:allmodconfig fails to build with the following error.
> drivers/nvdimm/pmem.c: In function 'nd_pfn_init':
> drivers/nvdimm/pmem.c:407:17: error: 'HPAGE_SIZE' undeclared
> Problem is due to commit 658922e57b84 ("libnvdimm, pfn: fix memmap
> reservation sizing").
> HPAGE_SIZE is not defined for all architectures and was up to now not used
> in driver code. All other architectures with 64 bit physical address provide
> the
> definition, though, as far as I can see, so it may be that only alpha is
> affected.
> Since stable is copied - this will also result in stable build errors
> if applied to -stable branches.

Ah, sorry, I had only built alpha_defconfig before pushing that one.
I'll send a follow on fix, thanks for the report.

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