On Tue, 7 Apr 2020 09:42:54 +0900 Joonsoo Kim wrote:
>
> 2020=EB=85=84 4=EC=9B=94 6=EC=9D=BC (=EC=9B=94) =EC=98=A4=ED=9B=84 8:58, Hi=
> llf Danton <hdanton@xxxxxxxx>=EB=8B=98=EC=9D=B4 =EC=9E=91=EC=84=B1:
> >
> >
> > On Fri, 3 Apr 2020 14:40:43 +0900 Joonsoo Kim wrote:
> > >
> > > @@ -153,11 +165,16 @@ int add_to_swap_cache(struct page *page, swp_entr=
> y_t entry,
> > > xas_unlock_irq(&xas);
> > > } while (xas_nomem(&xas, gfp));
> > >
> > > - if (!xas_error(&xas))
> > > + if (!xas_error(&xas)) {
> > > + mem_cgroup_commit_charge(page, memcg, false, compound);
> >
> > Add a tp
> > trace_mm_add_to_swap_cache(page);
>
> Please let me know the reason of this comment.
It is derived from
trace_mm_filemap_add_to_page_cache(page);
in __add_to_page_cache_locked().
