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SubjectRe: [PATCH v14 6/8] mm: hugetlb: introduce nr_free_vmemmap_pages in the struct hstate
On Fri, Feb 05, 2021 at 04:39:26PM +0800, Miaohe Lin wrote:
> Hi:
> On 2021/2/5 16:22, Oscar Salvador wrote:
> > On Fri, Feb 05, 2021 at 03:29:43PM +0800, Miaohe Lin wrote:
> >>> + if (likely(vmemmap_pages > RESERVE_VMEMMAP_NR))
> >>> + h->nr_free_vmemmap_pages = vmemmap_pages - RESERVE_VMEMMAP_NR;
> >>
> >> Not a problem. Should we set h->nr_free_vmemmap_pages to 0 in 'else' case explicitly ?
> >
> > No, hstate fields are already zeroed.
>
> I know hstate fields are already zeroed. What I mean is should we set nr_free_vmemmap_pages
> to 0 _explicitly_ like nr_huge_pages and free_huge_pages in hugetlb_add_hstate() ?
> But this is really trival.

We do not anny more [1]

[1] https://patchwork.kernel.org/project/linux-mm/patch/20201119112141.6452-1-osalvador@suse.de/


--
Oscar Salvador
SUSE L3

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