The reserve was for an abandoned effort to add label (partitioning
support) to device-dax instances. Remove it.
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
---
drivers/nvdimm/pfn_devs.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c
index 108f9f7ed064..110699f4c3e4 100644
--- a/drivers/nvdimm/pfn_devs.c
+++ b/drivers/nvdimm/pfn_devs.c
@@ -696,7 +696,6 @@ static void trim_pfn_device(struct nd_pfn *nd_pfn, u32 *start_pad, u32 *end_trun
static int nd_pfn_init(struct nd_pfn *nd_pfn)
{
- u32 dax_label_reserve = is_nd_dax(&nd_pfn->dev) ? SZ_128K : 0;
struct nd_namespace_common *ndns = nd_pfn->ndns;
struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev);
u32 start_pad, end_trunc, reserve = info_block_reserve();
@@ -754,11 +753,10 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn)
* when populating the vmemmap. This *should* be equal to
* PMD_SIZE for most architectures.
*/
- offset = ALIGN(start + reserve + 64 * npfns + dax_label_reserve,
+ offset = ALIGN(start + reserve + 64 * npfns,
max(nd_pfn->align, PMD_SIZE)) - start;
} else if (nd_pfn->mode == PFN_MODE_RAM)
- offset = ALIGN(start + reserve + dax_label_reserve,
- nd_pfn->align) - start;
+ offset = ALIGN(start + reserve, nd_pfn->align) - start;
else
return -ENXIO;
