Re: [RFC] autonuma: Migrate on fault among multiple bound nodes

Matthew Wilcox
2020-09-17T03:11:40Z

On Wed, Sep 16, 2020 at 05:29:41PM +0200, David Hildenbrand wrote:
> On 16.09.20 15:39, Qian Cai wrote:
> > On Wed, 2020-09-16 at 08:59 +0800, Huang Ying wrote:
> >> static int apply_policy_zone(struct mempolicy *policy, enum zone_type zone)
> >> @@ -2474,11 +2481,13 @@ int mpol_misplaced(struct page *page, struct
> >> vm_area_struct *vma, unsigned long
> >> int thisnid = cpu_to_node(thiscpu);
> >> int polnid = NUMA_NO_NODE;
> >> int ret = -1;
> >> + bool moron;
> >
> > Are you really going to use that name those days?
> >
> >
>
> include/uapi/linux/mempolicy.h:#define MPOL_F_MORON (1 << 4) /*
> Migrate On protnone Reference On Node */
>
> Not commenting the decision for that name. It's uapi ... and naming the
> variable like the uapi flag seems to be a sane thing to do ... hmmm ...

Perhaps we could migrate to mopron / MPOL_F_MOPRON?