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Date:   Sun, 27 Sep 2020 09:23:37 +0300
From:   Leon Romanovsky <leonro@nvidia.com>
To:     Linus Torvalds <torvalds@linux-foundation.org>
Cc:     Jason Gunthorpe <jgg@ziepe.ca>, Peter Xu <peterx@redhat.com>,
        John Hubbard <jhubbard@nvidia.com>,
        Linux-MM <linux-mm@kvack.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Jan Kara <jack@suse.cz>, Michal Hocko <mhocko@suse.com>,
        Kirill Tkhai <ktkhai@virtuozzo.com>,
        Kirill Shutemov <kirill@shutemov.name>,
        Hugh Dickins <hughd@google.com>,
        Christoph Hellwig <hch@lst.de>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Oleg Nesterov <oleg@redhat.com>, Jann Horn <jannh@google.com>
Subject: Re: [PATCH 1/5] mm: Introduce mm_struct.has_pinned
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On Sat, Sep 26, 2020 at 03:28:32PM -0700, Linus Torvalds wrote:
> On Fri, Sep 25, 2020 at 6:15 PM Linus Torvalds
> <torvalds@linux-foundation.org> wrote:
> >
> > I think that over the weekend I'll do Peter's version but with the
> > "page_mapcount() == 1"  check, because I'm starting to like that
> > better than the mm->has_pinned.
>
> Actually, rafter the first read-through, I feel like I'll just apply
> the series as-is.
>
> But I'll look at it some more, and do another read-through and make
> the final decision tomorrow.
>
> If anybody has any concerns about the v2 patch series from Peter, holler.

We won't be able to test the series till Tuesday due to religious holidays.

Thanks

>
>               Linus