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-rw-r--r--drivers/dax/dax.c2
-rw-r--r--drivers/dax/pmem.c3
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/dax/dax.c b/drivers/dax/dax.c
index 803f395..29f600f 100644
--- a/drivers/dax/dax.c
+++ b/drivers/dax/dax.c
@@ -459,7 +459,7 @@ static int __dax_dev_pmd_fault(struct dax_dev *dax_dev,
}
pgoff = linear_page_index(vma, pmd_addr);
- phys = pgoff_to_phys(dax_dev, pgoff, PAGE_SIZE);
+ phys = pgoff_to_phys(dax_dev, pgoff, PMD_SIZE);
if (phys == -1) {
dev_dbg(dev, "%s: phys_to_pgoff(%#lx) failed\n", __func__,
pgoff);
diff --git a/drivers/dax/pmem.c b/drivers/dax/pmem.c
index dfb1685..1f01e98 100644
--- a/drivers/dax/pmem.c
+++ b/drivers/dax/pmem.c
@@ -116,6 +116,9 @@ static int dax_pmem_probe(struct device *dev)
if (rc)
return rc;
+ /* adjust the dax_region resource to the start of data */
+ res.start += le64_to_cpu(pfn_sb->dataoff);
+
nd_region = to_nd_region(dev->parent);
dax_region = alloc_dax_region(dev, nd_region->id, &res,
le32_to_cpu(pfn_sb->align), addr, PFN_DEV|PFN_MAP);
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