Re: [PATCH v14 6/8] mm: hugetlb: introduce nr_free_vmemmap_pages in the struct hstate

From: Oscar Salvador
Date: Fri Feb 05 2021 - 03:23:50 EST


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.


--
Oscar Salvador
SUSE L3