[PATCH] libnvdimm, pfn: fix ARCH=alpha allmodconfig build failure

From	Dan Williams <dan.j.williams@intel.com>
Newsgroups	linux.kernel
Subject	[PATCH] libnvdimm, pfn: fix ARCH=alpha allmodconfig build failure
Date	2016-05-06 19:30 +0200
Message-ID	<rvRJD-YG-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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I had relied on the kbuild robot for cross build coverage, however it
only builds alpha_defconfig.  Switch from HPAGE_SIZE to PMD_SIZE, which
is more widely defined.

Fixes: 658922e57b84 ("libnvdimm, pfn: fix memmap reservation sizing")
Cc: <stable@vger.kernel.org>
Reported-by: Guenter Roeck <guenter@roeck-us.net>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/nvdimm/pmem.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 5101f3ab4f29..e5a8bf032ec9 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -404,7 +404,7 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn)
 		 * vmemmap_populate_hugepages() allocates the memmap array in
 		 * HPAGE_SIZE chunks.
 		 */
-		memmap_size = ALIGN(64 * npfns, HPAGE_SIZE);
+		memmap_size = ALIGN(64 * npfns, PMD_SIZE);
 		offset = ALIGN(start + SZ_8K + memmap_size, nd_pfn->align)
 			- start;
 	} else if (nd_pfn->mode == PFN_MODE_RAM)

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[PATCH] libnvdimm, pfn: fix ARCH=alpha allmodconfig build failure Dan Williams <dan.j.williams@intel.com> - 2016-05-06 19:30 +0200
  Re: [PATCH] libnvdimm, pfn: fix ARCH=alpha allmodconfig build failure Guenter Roeck <linux@roeck-us.net> - 2016-05-07 04:30 +0200

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