linux-kernel - Re: [PATCH v2] media: v4l2-core: videobuf-dma-sg: Change return type to vm_fault

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Date:   Wed, 18 Apr 2018 11:36:07 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     Souptick Joarder <jrdr.linux@...il.com>
Cc:     sakari.ailus@....fi, mchehab@...nel.org, jack@...e.cz,
        dan.j.williams@...el.com, akpm@...ux-foundation.org,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] media: v4l2-core: videobuf-dma-sg: Change return type
 to vm_fault_t

On Wed, Apr 18, 2018 at 11:49:19PM +0530, Souptick Joarder 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.
> 
> Reference id -> 1c8f422059ae ("mm: change return type to
> vm_fault_t")
> 
> Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>
> Acked-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
> ---
> v2: Updated patch subject

I'm pretty sure what Sakari meant was:

videobuf: Change return type to vm_fault_t