Re: [v7 PATCH 01/12] mm: vmscan: use nid from shrink_control for tracepoint

From: Yang Shi
Date: Wed Feb 10 2021 - 12:00:30 EST


On Tue, Feb 9, 2021 at 11:14 AM Shakeel Butt <shakeelb@xxxxxxxxxx> wrote:
>
> On Tue, Feb 9, 2021 at 9:47 AM Yang Shi <shy828301@xxxxxxxxx> wrote:
> >
> > The tracepoint's nid should show what node the shrink happens on, the start tracepoint
> > uses nid from shrinkctl, but the nid might be set to 0 before end tracepoint if the
> > shrinker is not NUMA aware, so the traceing
>
> tracing

Fixed. Thanks.

>
> > log may show the shrink happens on one
> > node but end up on the other node. It seems confusing. And the following patch
> > will remove using nid directly in do_shrink_slab(), this patch also helps cleanup
> > the code.
> >
> > Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
> > Acked-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
> > Signed-off-by: Yang Shi <shy828301@xxxxxxxxx>
>
> Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx>