summaryrefslogtreecommitdiffstats
path: root/drivers/nvdimm
diff options
context:
space:
mode:
authorDan Williams <dan.j.williams@intel.com>2019-01-26 10:27:57 -0800
committerDan Williams <dan.j.williams@intel.com>2019-02-22 11:52:32 -0800
commit4960461f5d22bb6d2965592c01805a97d55b132f (patch)
tree68f472319d82ae1b58c5d7d9dd6c00a5899f4d69 /drivers/nvdimm
parentad428cdb525a97d15c0349fdc80f3d58befb50df (diff)
downloadlinux-4960461f5d22bb6d2965592c01805a97d55b132f.tar.bz2
libnvdimm/pfn: Remove dax_label_reserve
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@intel.com>
Diffstat (limited to 'drivers/nvdimm')
-rw-r--r--drivers/nvdimm/pfn_devs.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c
index ba74a341da5d..d271bd731af7 100644
--- a/drivers/nvdimm/pfn_devs.c
+++ b/drivers/nvdimm/pfn_devs.c
@@ -690,7 +690,6 @@ 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();
@@ -748,11 +747,10 @@ 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;