On Wed, Mar 02, 2022 at 04:37:56PM +0800, Muchun Song wrote: > If CONFIG_HUGETLB_PAGE_FREE_VMEMMAP_DEFAULT_ON is enabled and the size > of "struct page" is not power of two, we cannot optimize vmemmap pages > of HugeTLB pages. We should disable this feature in this case. The commit log does not descrie what happens if this is left enabled in that case? Is this a fix? Why would it be a fix? Was something failing? How did you spot this issue? What are the consequences of not applying this patch? Luis
