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 <songmuchun@xxxxxxxxxxxxx> > Reviewed-by: Oscar Salvador <osalvador@xxxxxxx> > Reviewed-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> > Tested-by: Chen Huang <chenhuang5@xxxxxxxxxx> > Tested-by: Bodeddula Balasubramaniam <bodeddub@xxxxxxxxxx> > Acked-by: Michal Hocko <mhocko@xxxxxxxx> Thanks, Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> -- Mike Kravetz
