Re: [PATCH -V2 2/2] autonuma: Migrate on fault among multiple bound nodes

2020-11-10 Thread Huang, Ying
Hi, Mel, Mel Gorman writes: > On Wed, Nov 04, 2020 at 01:36:58PM +0800, Huang, Ying wrote: >> > I've no specific objection to the patch or the name change. I can't >> > remember exactly why I picked the name, it was 8 years ago but I think it >> > was because the policy represented the most

Re: [PATCH -V2 2/2] autonuma: Migrate on fault among multiple bound nodes

2020-11-06 Thread Ben Widawsky
On 20-11-06 15:28:59, Huang, Ying wrote: > Mel Gorman writes: > > > On Wed, Nov 04, 2020 at 01:36:58PM +0800, Huang, Ying wrote: > >> But from another point of view, I suggest to remove the constraints of > >> MPOL_F_MOF in the future. If the overhead of AutoNUMA isn't acceptable, > >> why not

Re: [PATCH -V2 2/2] autonuma: Migrate on fault among multiple bound nodes

2020-11-05 Thread Huang, Ying
Mel Gorman writes: > On Wed, Nov 04, 2020 at 01:36:58PM +0800, Huang, Ying wrote: >> But from another point of view, I suggest to remove the constraints of >> MPOL_F_MOF in the future. If the overhead of AutoNUMA isn't acceptable, >> why not just disable AutoNUMA globally via sysctl knob? >> >

Re: [PATCH -V2 2/2] autonuma: Migrate on fault among multiple bound nodes

2020-11-05 Thread Mel Gorman
On Wed, Nov 04, 2020 at 01:36:58PM +0800, Huang, Ying wrote: > > I've no specific objection to the patch or the name change. I can't > > remember exactly why I picked the name, it was 8 years ago but I think it > > was because the policy represented the most basic possible approach that > > could

Re: [PATCH -V2 2/2] autonuma: Migrate on fault among multiple bound nodes

2020-11-03 Thread Huang, Ying
Hi, Mel, Thanks for comments! Mel Gorman writes: > On Wed, Oct 28, 2020 at 10:34:11AM +0800, Huang Ying wrote: >> Now, AutoNUMA can only optimize the page placement among the NUMA nodes if >> the >> default memory policy is used. Because the memory policy specified >> explicitly >> should

Re: [PATCH -V2 2/2] autonuma: Migrate on fault among multiple bound nodes

2020-11-02 Thread Mel Gorman
On Wed, Oct 28, 2020 at 10:34:11AM +0800, Huang Ying wrote: > Now, AutoNUMA can only optimize the page placement among the NUMA nodes if the > default memory policy is used. Because the memory policy specified explicitly > should take precedence. But this seems too strict in some situations.