On Wed, Jul 20, 2011 at 08:41:12PM +0300, Pekka Enberg wrote: > On Wed, 20 Jul 2011, Pekka Enberg wrote: > >>On Wed, 20 Jul 2011, Eric Dumazet wrote: > >>>>[PATCH v2] slab: shrinks sizeof(struct kmem_cache) > >> > >>On Wed, 20 Jul 2011, Christoph Lameter wrote: > >>>This will solve the issue for small nr_cpu_ids but those with 4k cpus will > >>>still have the issue. > >>> > >>>Acked-by: Christoph Lameter <cl@xxxxxxxxx> > >> > >>Applied, thanks! Do we still want the __GFP_REPEAT patch from Konstantin > >>though? > > On Wed, 20 Jul 2011, Christoph Lameter wrote: > >Those with 4k cpus will be thankful I guess. > > OTOH, I'm slightly worried that it might mask a real problem with > GFP_KERNEL not being aggressive enough. Mel? > The reproduction case was while memory was under heavy pressure (swapout was active) and even then only 1 in a 1000 containers were failing to create due to an order-4 allocation failure. I'm not convinced we need to increase how aggressive the allocator is for PAGE_ALLOC_COSTLY_ORDER in general based on this. -- Mel Gorman SUSE Labs -- 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>