On Wed, Oct 26, 2016 at 03:09:41PM -0700, Linus Torvalds wrote: > On Wed, Oct 26, 2016 at 3:03 PM, Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> wrote: > > > > To be clear, are you referring to PeterZ's patch that avoids the lookup? If > > so, I see your point. > > Yup, that's the one. I think you tested it. In fact, I'm sure you did, > because I remember seeing performance numbers from you ;) > Yeah and the figures were fine. IIRC, 32-bit support was the main thing that was missing but who cares, 32-bit is not going to have the NUMA issues in any way that matters. > So yes, I'd expect my patch on its own to quite possibly regress on > NUMA systems (although I wonder how much), I doubt it's a lot. Even if it does, it's doesn't matter because it's a functional fix. > but I consider PeterZ's > patch the fix to that, so I wouldn't worry about it. > Agreed. Peter, do you plan to finish that patch? -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>