On Mon, Jul 25, 2011 at 10:19:15PM +0200, Johannes Weiner wrote: > From: Johannes Weiner <hannes@xxxxxxxxxxx> > > __GFP_OTHER_NODE is used for NUMA allocations on behalf of other > nodes. It's supposed to be passed through from the page allocator to > zone_statistics(), but it never gets there as gfp_allowed_mask is not > wide enough and masks out the flag early in the allocation path. > > The result is an accounting glitch where successful NUMA allocations > by-agent are not properly attributed as local. > > Increase __GFP_BITS_SHIFT so that it includes __GFP_OTHER_NODE. > > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> Acked-by: Andi Kleen <ak@xxxxxxxxxxxxxxx> -Andi -- 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>