There are two places to calculate npfns in nd_pfn_init(), while they use
difference size to calculate.
Use PAGE_SIZE would be more proper for calculation.
Signed-off-by: Wei Yang <richardw.y...@linux.intel.com>
---
drivers/nvdimm/pfn_devs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c
index 5eca050b3660..383f01bedd40 100644
--- a/drivers/nvdimm/pfn_devs.c
+++ b/drivers/nvdimm/pfn_devs.c
@@ -770,7 +770,7 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn)
return -ENXIO;
}
- npfns = (size - offset - start_pad - end_trunc) / SZ_4K;
+ npfns = (size - offset - start_pad - end_trunc) / PAGE_SIZE;
pfn_sb->mode = cpu_to_le32(nd_pfn->mode);
pfn_sb->dataoff = cpu_to_le64(offset);
pfn_sb->npfns = cpu_to_le64(npfns);
--
2.19.1
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