Messages in this thread | | | From | Muchun Song <> | Date | Mon, 21 Dec 2020 17:33:47 +0800 | Subject | Re: [External] Re: [PATCH v10 09/11] mm/hugetlb: Introduce nr_free_vmemmap_pages in the struct hstate |
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On Mon, Dec 21, 2020 at 4:17 PM Oscar Salvador <osalvador@suse.de> wrote: > > On Thu, Dec 17, 2020 at 08:13:01PM +0800, Muchun Song wrote: > > @@ -182,6 +184,12 @@ bool hugetlb_free_vmemmap_enabled; > > > > static int __init early_hugetlb_free_vmemmap_param(char *buf) > > { > > + /* We cannot optimize if a "struct page" crosses page boundaries. */ > > + if ((!is_power_of_2(sizeof(struct page)))) { > > + pr_warn("cannot free vmemmap pages because \"struct page\" crosses page boundaries\n"); > > + return 0; > > + } > > Unless there is a strong reason behind, I would move this to the previous patch, > where early_hugetlb_free_vmemmap_param is introduced.
OK. Will do. Thanks.
> > -- > Oscar Salvador > SUSE L3
-- Yours, Muchun
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