On Thu, 23 Mar 2023 10:50:03 +0800 Muchun Song <songmuchun@xxxxxxxxxxxxx> wrote: > The struct pages could be discontiguous when the kfence pool is allocated > via alloc_contig_pages() with CONFIG_SPARSEMEM and !CONFIG_SPARSEMEM_VMEMMAP. > So, the iteration should use nth_page(). What are the user-visible runtime effects of this flaw? Thanks.