Re: [linux-next PATCH] mm/gup.c: Convert to use get_user_{page|pages}_fast_only()

From: Souptick Joarder
Date: Tue May 26 2020 - 06:41:15 EST


On Tue, May 26, 2020 at 1:29 PM Paul Mackerras <paulus@xxxxxxxxxx> wrote:
>
> On Mon, May 25, 2020 at 02:23:32PM +0530, Souptick Joarder wrote:
> > API __get_user_pages_fast() renamed to get_user_pages_fast_only()
> > to align with pin_user_pages_fast_only().
> >
> > As part of this we will get rid of write parameter.
> > Instead caller will pass FOLL_WRITE to get_user_pages_fast_only().
> > This will not change any existing functionality of the API.
> >
> > All the callers are changed to pass FOLL_WRITE.
> >
> > Also introduce get_user_page_fast_only(), and use it in a few
> > places that hard-code nr_pages to 1.
> >
> > Updated the documentation of the API.
> >
> > Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
>
> The arch/powerpc/kvm bits look reasonable.
>
> Reviewed-by: Paul Mackerras <paulus@xxxxxxxxxx>

Thanks Paul. This patch is merged through mm-tree.
https://lore.kernel.org/kvm/1590396812-31277-1-git-send-email-jrdr.linux@xxxxxxxxx/