On Thu, 2013-01-17 at 21:51 +0000, Christoph Lameter wrote: > Ditto which leaves us with: Except... > > Index: linux/mm/slub.c > =================================================================== > --- linux.orig/mm/slub.c 2013-01-17 15:49:57.417491975 -0600 > +++ linux/mm/slub.c 2013-01-17 15:50:49.010287150 -0600 > @@ -1993,8 +1993,9 @@ static inline void flush_slab(struct kme > deactivate_slab(s, c->page, c->freelist); > > c->tid = next_tid(c->tid); > - c->page = NULL; > c->freelist = NULL; + /* + * Preemption may be enabled here, and if the task is preempted + * other tasks require that freelist is NULL if page is NULL. + */ > + barrier(); > + c->page = NULL; > } > > /* -- Steve -- 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>