On Fri, Aug 05, 2005 at 12:00:00PM -0500, Adam Litke wrote: > On Fri, 2005-08-05 at 11:47, Andi Kleen wrote: > > On Fri, Aug 05, 2005 at 11:37:27AM -0500, Adam Litke wrote: > > > On Fri, 2005-08-05 at 10:53, Andi Kleen wrote: > > > > On Fri, Aug 05, 2005 at 10:21:38AM -0500, Adam Litke wrote: > > > > > Below is a patch to implement demand faulting for huge pages. The > > > > > main > > > > > motivation for changing from prefaulting to demand faulting is so that > > > > > huge page allocations can follow the NUMA API. Currently, huge pages > > > > > are allocated round-robin from all NUMA nodes. > > > > > > > > I think matching DEFAULT is better than having a different default for > > > > huge pages than for small pages. > > > > > > I am not exactly sure what the above means. Is 'DEFAULT' a system > > > default numa allocation policy? > > > > It's one of the four numa policies: DEFAULT, PREFERED, INTERLEAVE, BIND > > > > It just means allocate on the local node if possible, otherwise fall back. > > > > You said you wanted INTERLEAVE by default, which i think is a bad idea. > > It should be only optional like in all other allocations. > > I tried to say that allocations are _currently_ INTERLEAVE (aka > round-robin) but that I want it to be configurable. So I think we are > in agreement here.
Ok, but the way to configure it should be the standard mempolicy infrastructure (that is how it works in SLES9 too) -Andi - 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/