On Wed, Aug 9, 2017 at 8:31 AM, Mel Gorman wrote:
>
> Linus, can you pick it up directly please?
Done.
Linus
On Wed, Aug 09, 2017 at 05:08:34PM +0200, Peter Zijlstra wrote:
> On Wed, Aug 09, 2017 at 03:43:09PM +0100, Mel Gorman wrote:
> > On Wed, Aug 09, 2017 at 03:05:19PM +0100, Mark Rutland wrote:
> > > > diff --git a/kernel/futex.c b/kernel/futex.c
> > > > index 16dbe4c93895..f50b434756c1 100644
> > >
On Wed, Aug 09, 2017 at 03:43:09PM +0100, Mel Gorman wrote:
> On Wed, Aug 09, 2017 at 03:05:19PM +0100, Mark Rutland wrote:
> > > diff --git a/kernel/futex.c b/kernel/futex.c
> > > index 16dbe4c93895..f50b434756c1 100644
> > > --- a/kernel/futex.c
> > > +++ b/kernel/futex.c
> > > @@ -670,13 +670,14
On Wed, Aug 09, 2017 at 03:05:19PM +0100, Mark Rutland wrote:
> > diff --git a/kernel/futex.c b/kernel/futex.c
> > index 16dbe4c93895..f50b434756c1 100644
> > --- a/kernel/futex.c
> > +++ b/kernel/futex.c
> > @@ -670,13 +670,14 @@ get_futex_key(u32 __user *uaddr, int fshared, union
> > futex_key *
On Wed, Aug 09, 2017 at 08:27:11AM +0100, Mel Gorman wrote:
> Commit 65d8fc777f6d ("futex: Remove requirement for lock_page() in
> get_futex_key()") removed an unnecessary lock_page() with the side-effect
> that page->mapping needed to be treated very carefully. Two defensive
> warnings were added
Commit 65d8fc777f6d ("futex: Remove requirement for lock_page() in
get_futex_key()") removed an unnecessary lock_page() with the side-effect
that page->mapping needed to be treated very carefully. Two defensive
warnings were added in case any assumption was missed and the first warning
assumed a co
On Wed, 09 Aug 2017, Mel Gorman wrote:
@@ -676,7 +676,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union
futex_key *key, int rw)
* cases, therefore a successful atomic_inc return below will
* guarantee that get_futex_key() will still imply smp_mb();
(B).
Commit 65d8fc777f6d ("futex: Remove requirement for lock_page() in
get_futex_key()") removed an unnecessary lock_page() with the side-effect
that page->mapping needed to be treated very carefully. Two defensive
warnings were added in case any assumption was wrong with the first warning
assuming a c
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