linux-kernel - Re: [PATCH] tools: modifying page-types to include shared map counts

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Message-Id: <20180619152821.9f1822d1d31be8e8b749588a@linux-foundation.org>
Date:   Tue, 19 Jun 2018 15:28:21 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Christian Hansen <chansen3@...co.com>
Cc:     xe-linux-external@...co.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tools: modifying page-types to include shared map
 counts

On Tue, 12 Jun 2018 11:32:05 -0400 Christian Hansen <chansen3@...co.com> wrote:

> Adding a new flag that will read kpagecount for each PFN
> and print out the number of time the page is mapped along
> with the flags in the listing view.

Also...  the above describes what the patch does, but not why it does
it.  Why do you believe this change is desirable?  What is the benefit,
what is the use-case?