On Wed, Jul 14, 2021 at 12:36 PM Joao Martins <[email protected]> wrote:
>
> Rather than calculating @pgoff manually, switch to ALIGN() instead.

Looks good,

Reviewed-by: Dan Williams <[email protected]>

>
> Suggested-by: Dan Williams <[email protected]>
> Signed-off-by: Joao Martins <[email protected]>
> ---
>  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;
>
> --
> 2.17.1
>

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