On Wed, 2010-07-14 at 16:48 -0700, David Rientjes wrote: > On Fri, 9 Jul 2010, Christoph Lameter wrote: > > > If a slab cache is removed before we have setup sysfs then simply skip over > > the sysfs handling. > > > > Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> > > Cc: Roland Dreier <rdreier@xxxxxxxxx> > > Signed-off-by: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx> > > Acked-by: David Rientjes <rientjes@xxxxxxxxxx> > > I missed this case earlier because I didn't consider slab caches being > created and destroyed prior to slab_state == SYSFS, sorry! Ok so I may be a bit sleepy or something but I still fail to see how this whole thing isn't totally racy... AFAIK. By the time we switch the slab state, we -do- have all CPUs up and can race happily between creating slab caches and creating the sysfs files... Ben. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>