On Wed, Sep 28, 2016 at 02:18:42PM +0900, Joonsoo Kim wrote: > On Tue, Sep 27, 2016 at 08:13:58PM -0700, Doug Smythies wrote: > > By the way, I can eliminate the problem by doing this: > > (see also: https://bugzilla.kernel.org/show_bug.cgi?id=172991) > > I think that Johannes found the root cause of the problem and they > (Johannes and Vladimir) will solve the root cause. > > However, there is something useful to do in SLAB side. > Could you test following patch, please? > > Thanks. > > ---------->8-------------- > diff --git a/mm/slab.c b/mm/slab.c > index 0eb6691..39e3bf2 100644 > --- a/mm/slab.c > +++ b/mm/slab.c > @@ -965,7 +965,7 @@ static int setup_kmem_cache_node(struct kmem_cache *cachep, > * guaranteed to be valid until irq is re-enabled, because it will be > * freed after synchronize_sched(). > */ > - if (force_change) > + if (n->shared && force_change) > synchronize_sched(); Oops... s/n->shared/old_shared/ Thanks. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>