Re: [External] Re: [PATCH v8 04/12] mm/hugetlb: Free the vmemmap pages associated with each HugeTLB page

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On Thu, Dec 10, 2020 at 10:44 PM Oscar Salvador <osalvador@xxxxxxx> wrote:
>
> On Thu, Dec 10, 2020 at 03:42:56PM +0100, Oscar Salvador wrote:
> > On Thu, Dec 10, 2020 at 11:55:18AM +0800, Muchun Song wrote:
> > > The free_vmemmap_pages_per_hpage() which indicate that how many vmemmap
> > > pages associated with a HugeTLB page that can be freed to the buddy
> > > allocator just returns zero now, because all infrastructure is not
> > > ready. Once all the infrastructure is ready, we will rework this
> > > function to support the feature.
> >
> > I would reword the above to:
> >
> > "free_vmemmap_pages_per_hpage(), which indicates how many vmemmap
> >  pages associated with a HugeTLB page can be freed, returns zero for
> >  now, which means the feature is disabled.
> >  We will enable it once all the infrastructure is there."
> >
> >  Or something along those lines.
> >
> > > Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
> >
> > Overall this looks good to me, and it has seen a considerable
> > simplification, which is good.
> > Some nits/questions below:
>
> And as I said, I would merge patch#3 with this one.

Will do. Thanks.

>
>
> --
> Oscar Salvador
> SUSE L3



-- 
Yours,
Muchun



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