On Thu 11-08-22 09:38:40, Christoph Hellwig wrote: > On Tue, Aug 09, 2022 at 05:37:59PM +0200, Michal Hocko wrote: > > Here we go again. > > And just as last time I think this is the wrong thing to do. > IFF we actually need the pool and we can't allocate it we want this > warning. > > But order-10 seems very larger for the 31-bit ISA DMA zone, so we might > want to look into calculating the pool size based on the zone size > instead. No objection for a better size tuning from my side. I find it I suspect you will need __GFP_NOWARN to be used for downsizing the request size for all attempts anyway. -- Michal Hocko SUSE Labs