On Wed, Nov 23, 2011 at 11:23:19PM +0800, Nai Xia wrote: > > <SNIP> > > This would be functionally equivalent and satisfy THP users > > but I do not see it as being easier to understand or easier > > to maintain than updating the API. If someone in the future > > wanted to use migration without significant stalls without > > being PF_MEMALLOC, they would need to update the API like this. > > There are no users like this today but automatic NUMA migration > > might want to leverage something like MIGRATE_SYNC_LIGHT > > (http://comments.gmane.org/gmane.linux.kernel.mm/70239) > > I see. > So could I say that might be the time and users for my suggestion of > page uptodate check to fit into? > Yes, at that point checking for PageUptodate may be necessary depending on their requirements. -- 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>