Hi Andrew, > > > on X86, ZONE_DMA is very very small. > > > It is often no used at all. > > > > In that case page-reclaim is supposed to set all_unreclaimable and > > basically ignores the zone altogether until it looks like something might > > have changed. > > > > Is that code not working? (quite possible). > > please insert blow debug printk and dd if=bigfile of=/dev/null. > you see "near_oom(DMA) 0 0 0" messages :)
sorry, my last mail is not enough description. It is not so useful at solo use. As you say, If long time passes all_unreclaimable turn on and incorrect shrink list become no happned. but, my mem_notify patch very dislike incorrect shrink ;-) result as, I don't hope quick merge. and I will merge to my mem_notify patch series. Thanks. - 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/