Re: [PATCH v2] ipc: Adding new return type vm_fault_t

From: Souptick Joarder
Date: Thu May 10 2018 - 10:04:25 EST


On Wed, Apr 25, 2018 at 10:04 AM, Souptick Joarder <jrdr.linux@xxxxxxxxx> wrote:
> Use new return type vm_fault_t for fault handler. For
> now, this is just documenting that the function returns
> a VM_FAULT value rather than an errno. Once all instances
> are converted, vm_fault_t will become a distinct type.
>
> Commit 1c8f422059ae ("mm: change return type to vm_fault_t")
>
> Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
> Reviewed-by: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
> ---
> v2: Updated the change log
>
> ipc/shm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/ipc/shm.c b/ipc/shm.c
> index 4643865..2ba0cfc 100644
> --- a/ipc/shm.c
> +++ b/ipc/shm.c
> @@ -378,7 +378,7 @@ void exit_shm(struct task_struct *task)
> up_write(&shm_ids(ns).rwsem);
> }
>
> -static int shm_fault(struct vm_fault *vmf)
> +static vm_fault_t shm_fault(struct vm_fault *vmf)
> {
> struct file *file = vmf->vma->vm_file;
> struct shm_file_data *sfd = shm_file_data(file);
> --
> 1.9.1
>

Any comment for this patch ?