linux-kernel - Re: [PATCH 2/2] auxdisplay/ht16k33.c: Convert to use vm_map_pages

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Message-ID: <CANiq72nubJ6KHXROuDHV8Ap6MJQx6SDKUJCxYuN1_YDy=A_ELw@mail.gmail.com>
Date:   Thu, 23 May 2019 15:23:46 +0200
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     Souptick Joarder <jrdr.linux@...il.com>
Cc:     Robin van der Gracht <robin@...tonic.nl>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH 2/2] auxdisplay/ht16k33.c: Convert to use vm_map_pages_zero()

On Mon, May 20, 2019 at 5:26 PM Souptick Joarder <jrdr.linux@...il.com> wrote:
>
> While using mmap, the incorrect value of length and vm_pgoff are
> ignored and this driver go ahead with mapping fbdev.buffer
> to user vma.

Typos: values*, goes* (same for the other patch)

> Convert vm_insert_pages() to use vm_map_pages_zero(). We could later
> "fix" these drivers to behave according to the normal vm_pgoff
> offsetting simply by removing the _zero suffix on the function name
> and if that causes regressions, it gives us an easy way to revert.

Would it be possible to add a "Link:" to where these new functions are
discussed/used (maybe a lore.kernel.org link?)?

Thanks for the patch!

Cheers,
Miguel