Re: [PATCH 4.4 164/190] futex: Remove requirement for lock_page() in get_futex_key()

From: Greg Kroah-Hartman
Date: Thu May 17 2018 - 04:09:25 EST


On Wed, May 16, 2018 at 03:42:25PM +0100, Ben Hutchings wrote:
> On Wed, 2018-05-16 at 15:38 +0100, Ben Hutchings wrote:
> > On Wed, 2018-04-11 at 20:36 +0200, Greg Kroah-Hartman wrote:
> > > 4.4-stable review patch.  If anyone has any objections, please let me know.
> > >
> > > ------------------
> > >
> > > From: Mel Gorman <mgorman@xxxxxxx>
> > >
> > > commit 65d8fc777f6dcfee12785c057a6b57f679641c90 upstream.
> >
> > [...]
> >
> > This causes regressions, fixed upstream by:
> >
> > commit 077fa7aed17de5022e44bf07dbaf732078b7b5b2
> > Author: Mel Gorman <mgorman@xxxxxxx>
> > Date:   Wed Jun 8 14:25:22 2016 +0100
> >
> >     futex: Calculate the futex key based on a tail page for file-based futexes
>
> Actually I think this backport to 4.4 incorporated the fix above, but
> the one below still looks applicable.
>
> Ben.
>
> > commit 48fb6f4db940e92cfb16cd878cddd59ea6120d06
> > Author: Mel Gorman <mgorman@xxxxxxx>
> > Date:   Wed Aug 9 08:27:11 2017 +0100
> >
> >     futex: Remove unnecessary warning from get_futex_key

Thanks, I missed that one, now queued up.

greg k-h