| Date | Thu, 29 Oct 2020 11:29:17 +0100 | From | Oscar Salvador <> | Subject | Re: [PATCH v2 03/19] mm/hugetlb: Introduce a new config HUGETLB_PAGE_FREE_VMEMMAP |
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On Mon, Oct 26, 2020 at 10:50:58PM +0800, Muchun Song wrote: > The purpose of introducing HUGETLB_PAGE_FREE_VMEMMAP is to configure > whether to enable the feature of freeing unused vmemmap associated > with HugeTLB pages. Now only support x86.
Why this needs to be a config thing? If this space-memory-optimization does not come with a trade-off, why does the user have to set this instead of coming by default?
-- Oscar Salvador SUSE L3
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