Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-01 10:42:11 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

libnvdimm/pfn: Remove dax_label_reserve

Browse Source 
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>
This commit is contained in:
Dan Williams 2019-01-26 10:27:57 -08:00
parent ad428cdb52
commit 4960461f5d
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/nvdimm/pfn_devs.c
View File

@ -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;