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SubjectRe: [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask v2
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> > > +
> > > + /* Check this allocation failure is caused by cpuset's wall function */
> > > + for_each_zone_zonelist_nodemask(zone, z, zonelist,
> > > + high_zoneidx, nodemask)
> > > + if (!cpuset_zone_allowed_softwall(zone, gfp_mask))
> > > return CONSTRAINT_CPUSET;
> >
> > If cpuset and MPOL_BIND are both used, Probably CONSTRAINT_MEMORY_POLICY is
> > better choice.
>
> No. this memory allocation is failed by limitation of cpuset's alloc mask.
> Not from mempolicy.

But CONSTRAINT_CPUSET doesn't help to free necessary node memory. It isn't
your fault. original code is wrong too. but I hope we should fix it.





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