linux-kernel - Re: [PATCH v6 3/8] mm: Add a walk_page_mapping() function to the pagewalk code

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Message-Id: <20191105194947.0f78f903803c58203125f801@linux-foundation.org>
Date:   Tue, 5 Nov 2019 19:49:47 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Thomas Hellström (VMware) 
        <thomas_os@...pmail.org>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        torvalds@...ux-foundation.org,
        Thomas Hellstrom <thellstrom@...are.com>,
        Matthew Wilcox <willy@...radead.org>,
        Will Deacon <will.deacon@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Rik van Riel <riel@...riel.com>,
        Minchan Kim <minchan@...nel.org>,
        Michal Hocko <mhocko@...e.com>,
        Huang Ying <ying.huang@...el.com>,
        Jérôme Glisse <jglisse@...hat.com>,
        "Kirill A . Shutemov" <kirill@...temov.name>
Subject: Re: [PATCH v6 3/8] mm: Add a walk_page_mapping() function to the
 pagewalk code

On Mon, 14 Oct 2019 15:21:59 +0200 Thomas Hellström (VMware) <thomas_os@...pmail.org> wrote:

> For users that want to travers all page table entries pointing into a
> region of a struct address_space mapping, introduce a walk_page_mapping()
> function.
> 
> The walk_page_mapping() function will be initially be used for dirty-
> tracking in virtual graphics drivers.

Reviewed-by: Andrew Morton <akpm@...ux-foundation.org>