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-rw-r--r--drivers/dax/dax.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/dax/dax.c b/drivers/dax/dax.c
index b90bb301bda0..b75c77254fdb 100644
--- a/drivers/dax/dax.c
+++ b/drivers/dax/dax.c
@@ -538,7 +538,8 @@ static int __dax_dev_pud_fault(struct dax_dev *dax_dev, struct vm_fault *vmf)
}
#endif /* !CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD */
-static int dax_dev_fault(struct vm_fault *vmf)
+static int dax_dev_huge_fault(struct vm_fault *vmf,
+ enum page_entry_size pe_size)
{
int rc;
struct file *filp = vmf->vma->vm_file;
@@ -550,14 +551,14 @@ static int dax_dev_fault(struct vm_fault *vmf)
vmf->vma->vm_start, vmf->vma->vm_end);
rcu_read_lock();
- switch (vmf->flags & FAULT_FLAG_SIZE_MASK) {
- case FAULT_FLAG_SIZE_PTE:
+ switch (pe_size) {
+ case PE_SIZE_PTE:
rc = __dax_dev_pte_fault(dax_dev, vmf);
break;
- case FAULT_FLAG_SIZE_PMD:
+ case PE_SIZE_PMD:
rc = __dax_dev_pmd_fault(dax_dev, vmf);
break;
- case FAULT_FLAG_SIZE_PUD:
+ case PE_SIZE_PUD:
rc = __dax_dev_pud_fault(dax_dev, vmf);
break;
default:
@@ -568,9 +569,14 @@ static int dax_dev_fault(struct vm_fault *vmf)
return rc;
}
+static int dax_dev_fault(struct vm_fault *vmf)
+{
+ return dax_dev_huge_fault(vmf, PE_SIZE_PTE);
+}
+
static const struct vm_operations_struct dax_dev_vm_ops = {
.fault = dax_dev_fault,
- .huge_fault = dax_dev_fault,
+ .huge_fault = dax_dev_huge_fault,
};
static int dax_mmap(struct file *filp, struct vm_area_struct *vma)