diff options
| -rw-r--r-- | drivers/nvdimm/pfn_devs.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c index 6ade2eb7615d..ca396c8f2cd5 100644 --- a/drivers/nvdimm/pfn_devs.c +++ b/drivers/nvdimm/pfn_devs.c @@ -540,6 +540,7 @@ static struct vmem_altmap *__nvdimm_setup_pfn(struct nd_pfn *nd_pfn, 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; u32 start_pad = 0, end_trunc = 0; resource_size_t start, size; @@ -606,10 +607,11 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn) size = resource_size(&nsio->res); npfns = (size - start_pad - end_trunc - SZ_8K) / SZ_4K; if (nd_pfn->mode == PFN_MODE_PMEM) - offset = ALIGN(start + SZ_8K + 64 * npfns, nd_pfn->align) - - start; + offset = ALIGN(start + SZ_8K + 64 * npfns + dax_label_reserve, + nd_pfn->align) - start; else if (nd_pfn->mode == PFN_MODE_RAM) - offset = ALIGN(start + SZ_8K, nd_pfn->align) - start; + offset = ALIGN(start + SZ_8K + dax_label_reserve, + nd_pfn->align) - start; else return -ENXIO; |