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

Qian Cai
2020-09-16T15:35:28Z

On Wed, 2020-09-16 at 17:29 +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 ...

One can argue there is no need to enforce that past decision today. Also, it
could be total different thing with a prefix and all capital letters (correct
for abbreviation). Anyway, not going to insist on it at all.