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libnvdimm, pfn: fix ARCH=alpha allmodconfig build failure
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: 658922e ("libnvdimm, pfn: fix memmap reservation sizing") Cc: <stable@vger.kernel.org> Reported-by: Guenter Roeck <guenter@roeck-us.net> Tested-by: Guenter Roeck <guenter@roeck-us.net> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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‎drivers/nvdimm/pmem.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -402,9 +402,9 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn)
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/*
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* vmemmap_populate_hugepages() allocates the memmap array in
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* HPAGE_SIZE chunks.
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* PMD_SIZE chunks.
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*/
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memmap_size = ALIGN(64 * npfns, HPAGE_SIZE);
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memmap_size = ALIGN(64 * npfns, PMD_SIZE);
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offset = ALIGN(start + SZ_8K + memmap_size, nd_pfn->align)
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- start;
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} else if (nd_pfn->mode == PFN_MODE_RAM)

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