On 2016.09.27 23:20 Joonsoo Kim wrote: > 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/ Yes, that seems to work fine. After boot everything is good. Then I tried and tried to get it to mess up, but could not. -- 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>