On 4/15/21 1:39 AM, Muchun Song wrote: > For HugeTLB page, there are more metadata to save in the struct page. > But the head struct page cannot meet our needs, so we have to abuse > other tail struct page to store the metadata. In order to avoid > conflicts caused by subsequent use of more tail struct pages, we can > gather these discrete indexes of tail struct page. In this case, it > will be easier to add a new tail page index later. > > Signed-off-by: Muchun Song <songmuc...@bytedance.com> > Reviewed-by: Oscar Salvador <osalva...@suse.de> > Reviewed-by: Miaohe Lin <linmia...@huawei.com> > Tested-by: Chen Huang <chenhua...@huawei.com> > Tested-by: Bodeddula Balasubramaniam <boded...@amazon.com> > Acked-by: Michal Hocko <mho...@suse.com>
Thanks, Reviewed-by: Mike Kravetz <mike.krav...@oracle.com> -- Mike Kravetz