[PATCH v5 5/8] device-dax: use ALIGN() for determining pgoff
From: Joao Martins <hidden>
Date: 2021-11-12 15:09:36
Also in:
linux-doc, nvdimm
Subsystem:
device direct access (dax), the rest · Maintainers:
Dan Williams, Vishal Verma, Dave Jiang, Linus Torvalds
Rather than calculating @pgoff manually, switch to ALIGN() instead. Suggested-by: Dan Williams <redacted> Signed-off-by: Joao Martins <redacted> Reviewed-by: Dan Williams <redacted> --- drivers/dax/device.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
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;
--
2.17.2