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Date:   Thu, 9 Dec 2021 12:45:24 +1100
From:   Alistair Popple <>
To:     Jason Gunthorpe <>
CC:     <>, <>,
        <>, <>,
        <>, <>,
        Alex Sierra <>,
        <>, <>,
        <>, <>, <>
Subject: Re: [PATCH v2 03/11] mm/gup: migrate PIN_LONGTERM dev coherent pages to system

On Thursday, 9 December 2021 12:53:45 AM AEDT Jason Gunthorpe wrote:
> > I think a similar problem exists for device private fault handling as well and
> > it has been on my list of things to fix for a while. I think the solution is to
> > call try_get_page(), except it doesn't work with device pages due to the whole
> > refcount thing. That issue is blocking a fair bit of work now so I've started
> > looking into it.
> Where is this?
Nothing posted yet. I've been going through the mailing list and the old
thread[1] to get an understanding of what is left to do. If you have any
suggestions they would be welcome.


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