On Fri, Dec 11, 2020 at 12:12 AM Johannes Weiner <hannes@xxxxxxxxxxx> wrote: > > On Sun, Dec 06, 2020 at 06:14:41PM +0800, Muchun Song wrote: > > @@ -1144,7 +1144,8 @@ void do_page_add_anon_rmap(struct page *page, > > * disabled. > > */ > > if (compound) > > - __inc_lruvec_page_state(page, NR_ANON_THPS); > > + __mod_lruvec_page_state(page, NR_ANON_THPS, > > + HPAGE_PMD_NR); > > __mod_lruvec_page_state(page, NR_ANON_MAPPED, nr); > > What I mistakenly wrote about the previous patch applies to this and > the following patches, though: > > /proc/vmstat currently prints number of anon, file and shmem THPs; you > are changing it to print number of 4k pages in those THPs. > > That's an ABI change we cannot really do. Agree. Sorry. I forgot to fix the /proc/vmstat. Thanks for your reminder. -- Yours, Muchun