linux-kernel - Re: [PATCH 1/5] mm: Introduce mm_struct.has

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Message-ID: <20200929003054.GF59869@xz-x1>
Date:   Mon, 28 Sep 2020 20:30:54 -0400
From:   Peter Xu <peterx@...hat.com>
To:     Jason Gunthorpe <jgg@...pe.ca>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Leon Romanovsky <leonro@...dia.com>,
        John Hubbard <jhubbard@...dia.com>,
        Linux-MM <linux-mm@...ck.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Jan Kara <jack@...e.cz>, Michal Hocko <mhocko@...e.com>,
        Kirill Tkhai <ktkhai@...tuozzo.com>,
        Kirill Shutemov <kirill@...temov.name>,
        Hugh Dickins <hughd@...gle.com>,
        Christoph Hellwig <hch@....de>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Oleg Nesterov <oleg@...hat.com>, Jann Horn <jannh@...gle.com>
Subject: Re: [PATCH 1/5] mm: Introduce mm_struct.has_pinned

On Mon, Sep 28, 2020 at 07:51:07PM -0300, Jason Gunthorpe wrote:
> > So I'll attach my suggested patch, but I won't actually commit it. I'd
> > really like to have this tested, possibly _together_ with the sequence
> > count addition..
> 
> Ok, we will do this once the holidays are over. If Peter doesn't take
> it I can look at the seqcount too.

Please feel free to.  I can definitely test against the vfio test I used to
run, but assuming the rdma test would be more ideal.  Just let me know if
there's anything else I can help.

Thanks,

-- 
Peter Xu