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

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Date:   Tue, 19 Jun 2018 15:26:56 -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.

tools/vm/page-types.c isn't particularly documented, although it might
be apprpriate to add some words to
Documentation/admin-guide/mm/pagemap.rst to describe this addition.

Also, it would be very helpful if the changelog was to include sample
output, so we can better understand the proposal.