diff mbox series

[v4,05/14] device-dax: use ALIGN() for determining pgoff

Message ID 20210827145819.16471-6-joao.m.martins@oracle.com (mailing list archive)
State New, archived
Headers show
Series mm, sparse-vmemmap: Introduce compound devmaps for device-dax | expand

Commit Message

Joao Martins Aug. 27, 2021, 2:58 p.m. UTC 
Rather than calculating @pgoff manually, switch to ALIGN() instead.

Suggested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dax/device.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/dax/device.c b/drivers/dax/device.c
index dd8222a42808..0b82159b3564 100644
--- a/drivers/dax/device.c
+++ b/drivers/dax/device.c
@@ -234,8 +234,8 @@  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));
+		pgoff = linear_page_index(vmf->vma,
+				ALIGN(vmf->address, fault_size));
 		for (i = 0; i < fault_size / PAGE_SIZE; i++) {
 			struct page *page;