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Message-ID: <20210315072856.GB4136862@infradead.org>
Date:   Mon, 15 Mar 2021 07:28:56 +0000
From:   Christoph Hellwig <hch@...radead.org>
To:     Alistair Popple <apopple@...dia.com>
Cc:     linux-mm@...ck.org, nouveau@...ts.freedesktop.org,
        bskeggs@...hat.com, akpm@...ux-foundation.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        kvm-ppc@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        jhubbard@...dia.com, rcampbell@...dia.com, jglisse@...hat.com,
        jgg@...dia.com, hch@...radead.org, daniel@...ll.ch,
        willy@...radead.org
Subject: Re: [PATCH v6 3/8] mm/rmap: Split try_to_munlock from try_to_unmap

On Fri, Mar 12, 2021 at 07:38:46PM +1100, Alistair Popple wrote:
> The behaviour of try_to_unmap_one() is difficult to follow because it
> performs different operations based on a fairly large set of flags used
> in different combinations.
> 
> TTU_MUNLOCK is one such flag. However it is exclusively used by
> try_to_munlock() which specifies no other flags. Therefore rather than
> overload try_to_unmap_one() with unrelated behaviour split this out into
> it's own function and remove the flag.
> 
> Signed-off-by: Alistair Popple <apopple@...dia.com>
> Reviewed-by: Ralph Campbell <rcampbell@...dia.com>
> 
> ---
> 
> Christoph - I didn't add your Reviewed-by from v3 because removal of the
> extra VM_LOCKED check in v4 changed things slightly. Let me know if
> you're still ok for me to add it. Thanks.

Still looks good to me:

Reviewed-by: Christoph Hellwig <hch@....de>

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