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Date:   Tue, 26 Mar 2019 10:01:42 +0100
From:   Michal Hocko <>
To:     Pankaj Suryawanshi <>
Cc:     Kirill Tkhai <>,
        Vlastimil Babka <>,
        "" <>,
        "" <>,
        "" <>,
        "" <>,
        "" <>
Subject: Re: [External] Re: vmscan: Reclaim unevictable pages

[You were asked to use a reasonable quoting several times. This is
really annoying because it turns the email thread into a complete mess]

On Tue 26-03-19 07:53:14, Pankaj Suryawanshi wrote:
> Is there anyone who is familiar with this?  Please Comment.

Not really. You are observing an unexpected behavior of the page reclaim
which hasn't changed for quite some time. So I find more probable that
your non-vanilla kernel is doing something unexpected. It would help if
you could track down how does the unevictable page get down to the
reclaim path. I assume this is a CMA page or something like that but
those shouldn't get to the reclaim path AFIR.
Michal Hocko

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