Messages in this thread | | | Date | Fri, 5 Feb 2021 09:56:33 +0100 | From | Oscar Salvador <> | Subject | Re: [PATCH v14 6/8] mm: hugetlb: introduce nr_free_vmemmap_pages in the struct hstate |
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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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