On Tue, 20 Jul 2010 15:18:44 +0800 Shaohua Li <shaohua.li@xxxxxxxxx> wrote: > +void activate_page(struct page *page) > +{ > + struct pagevec *pvec = &get_cpu_var(activate_page_pvecs); > + > + page_cache_get(page); > + if (!pagevec_add(pvec, page)) > + activate_page_drain_cpu(smp_processor_id()); > + put_cpu_var(activate_page_pvecs); > } uhm, could I please draw attention to the most valuable Documentation/SubmitChecklist? In particular, 12: Has been tested with CONFIG_PREEMPT, CONFIG_DEBUG_PREEMPT, CONFIG_DEBUG_SLAB, CONFIG_DEBUG_PAGEALLOC, CONFIG_DEBUG_MUTEXES, CONFIG_DEBUG_SPINLOCK, CONFIG_DEBUG_SPINLOCK_SLEEP all simultaneously enabled. -- 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>