linux-kernel - Re: mmotm 2020-10-06-15-50 uploaded

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Date:   Wed, 7 Oct 2020 14:03:34 -0700
From:   John Hubbard <jhubbard@...dia.com>
To:     <akpm@...ux-foundation.org>, <broonie@...nel.org>,
        <linux-fsdevel@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mm@...ck.org>, <linux-next@...r.kernel.org>,
        <mhocko@...e.cz>, <mm-commits@...r.kernel.org>,
        <sfr@...b.auug.org.au>, Daniel Vetter <daniel.vetter@...ll.ch>,
        Jason Gary Gunthorpe <jgg@...dia.com>
Subject: Re: mmotm 2020-10-06-15-50 uploaded

On 10/6/20 3:51 PM, akpm@...ux-foundation.org wrote:
> The mm-of-the-moment snapshot 2020-10-06-15-50 has been uploaded to
...

> * mm-frame-vec-drop-gup_flags-from-get_vaddr_frames.patch
> * mm-frame-vec-use-foll_longterm.patch

That last one needs to be dropped--see my note about why in [1].
And syzbot is also complaining [2], correctly, that you can't pass
FOLL_LONGTERM to pin_user_pages_locked().

And the patch right before it, while correct as it stands, should end
up being unnecessary, because Daniel is taking a different approach.

So probably best to drop both of those from mmotm and -next.


[1] https://lore.kernel.org/dri-devel/f5130c7f-eebe-7b21-62b8-68f08212b106@nvidia.com

[2] https://lore.kernel.org/r/000000000000f3c7f005b11111c9@google.com

thanks,
-- 
John Hubbard
NVIDIA