Hi Kame, > > > > + notify_threshold = (zone->pages_high + > > > > + zone->lowmem_reserve[MAX_NR_ZONES-1]) * 2; > > > > + > > > Why MAX_NR_ZONES-1 ? > > > > this is intent to max lowmem_reserve. > > > Ah, my point is.. how about this ? > == > if (page_zoneid(page) != ZONE_DMA) > notify_threshold = zone->pages_high + > zone->lowmem_reserve[page_zoneid(page) - 1] * 2;
your point out is very good point. but judged by zone size is more better, may be. on some 64bit system, ZONE_DMA is 4GB. small memory system can't ignore it. fortunately, zone size check can at free_area_init_core(). - kosaki -- 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/
