diff options
| -rw-r--r-- | drivers/dax/device.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/dax/device.c b/drivers/dax/device.c index 95cfcfd612df..361a11089591 100644 --- a/drivers/dax/device.c +++ b/drivers/dax/device.c @@ -416,6 +416,7 @@ static vm_fault_t dev_dax_huge_fault(struct vm_fault *vmf, if (rc == VM_FAULT_NOPAGE) { unsigned long i; + pgoff_t pgoff; /* * In the device-dax case the only possibility for a @@ -423,6 +424,8 @@ static vm_fault_t dev_dax_huge_fault(struct vm_fault *vmf, * mapped. No need to consider the zero page, or racing * conflicting mappings. */ + pgoff = linear_page_index(vmf->vma, vmf->address + & ~(fault_size - 1)); for (i = 0; i < fault_size / PAGE_SIZE; i++) { struct page *page; @@ -430,6 +433,7 @@ static vm_fault_t dev_dax_huge_fault(struct vm_fault *vmf, if (page->mapping) continue; page->mapping = filp->f_mapping; + page->index = pgoff + i; } } dax_read_unlock(id); |