linux-kernel - Re: [PATCH v13 06/15] mm/damon: Apply dynamic memory mapping changes

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Message-Id: <1590578644-27216-1-git-send-email-foersleo@amazon.com>
Date:   Wed, 27 May 2020 13:24:04 +0200
From:   Leonard Foerster <foersleo@...zon.com>
To:     SeongJae Park <sjpark@...zon.com>
Cc:     akpm@...ux-foundation.org, SeongJae Park <sjpark@...zon.de>,
        Jonathan.Cameron@...wei.com, aarcange@...hat.com, acme@...nel.org,
        alexander.shishkin@...ux.intel.com, amit@...nel.org,
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        ying.huang@...el.com, linux-damon@...zon.com, linux-mm@...ck.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v13 06/15] mm/damon: Apply dynamic memory mapping changes

On 2020-05-25T11:15:03+02:00 SeongJae Park <sjpark@...zon.com> wrote:

> From: SeongJae Park <sjpark@...zon.de>
> 
> Only a number of parts in the virtual address space of the processes is
> mapped to physical memory and accessed.  Thus, tracking the unmapped
> address regions is just wasteful.  However, tracking every memory
> mapping change might incur an overhead.  For the reason, DAMON applies
> the dynamic memory mapping changes to the tracking regions only for each
> of a user-specified time interval (``regions update interval``).
> 
> Signed-off-by: SeongJae Park <sjpark@...zon.de>

Reviewed-by: Leonard Foerster <foersleo@...zon.de>