Howdy David, On Tue, Mar 06, 2012 at 07:41:55PM -0800, David Rientjes wrote: > > + spin_lock_irqsave(&l3->list_lock, flags); > > Could be spin_lock_irq(&l3->list_lock); I don't think it would be safe making such assumption. Note that spin_lock_irqsave() is used at slab_out_of_memory() because we cannot guarantee that interrupts will be enabled/disabled by the time kmem_getpages() is called in cache_grow() or fallback_alloc(). Rafael -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>