Re: [PATCH v16 05/14] mm/damon: Allow dynamic monitoring target regions update

From: Leonard Foerster
Date: Thu Jun 18 2020 - 05:24:00 EST


On 2020-06-15T18:19:18+02:00 SeongJae Park <sjpark@xxxxxxxxxx> wrote:

> From: SeongJae Park <sjpark@xxxxxxxxx>
>
> The monitoring target regions can be dynamically changed. For example,
> virtual memory mapping could be dynamically updated and physical memory
> could be hot-plugged.
>
> To handle such cases, this commit adds a monitoring attribute, ``regions
> update interval`` and a callback ``init_target_regions`` in the
> monitoring context. If the two fields are properly set, DAMON will call
> the ``init_target_regions()`` callback for every ``regions update
> interval``. In the callback, users can check current memory mapping or
> hotplugged physical memory sections and appropriately update the
> monitoring target regions of the context.
>
> Signed-off-by: SeongJae Park <sjpark@xxxxxxxxx>
> ---

Reviewed-by: Leonard Foerster <foersleo@xxxxxxxxx>