On Thu, 19 Jun 2014, Christoph Lameter wrote: > On Thu, 19 Jun 2014, Thomas Gleixner wrote: > > > Well, no. Look at the callchain: > > > > __call_rcu > > debug_object_activate > > rcuhead_fixup_activate > > debug_object_init > > kmem_cache_alloc > > > > So call rcu activates the object, but the object has no reference in > > the debug objects code so the fixup code is called which inits the > > object and allocates a reference .... > > So we need to init the object in the page struct before the __call_rcu? Looks like RCU is lazily relying on the state callback to initialize the objects.
There is an unused debug_init_rcu_head() inline in kernel/rcu/update.c Paul???? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
