linux-kernel - Re: [PATCH] include/linux/hmm.h: Convert to use vm_fault

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Message-ID: <CAFqt6zYQU+jN57Lh2Enx-t9EKHSjSKibUHU1Y-KyzAzxWVy3Qw@mail.gmail.com>
Date:   Wed, 9 Jan 2019 22:11:46 +0530
From:   Souptick Joarder <jrdr.linux@...il.com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, jglisse@...hat.com,
        Linux-MM <linux-mm@...ck.org>, linux-kernel@...r.kernel.org,
        Dan Williams <dan.j.williams@...el.com>
Subject: Re: [PATCH] include/linux/hmm.h: Convert to use vm_fault_t

On Wed, Jan 9, 2019 at 9:53 PM Matthew Wilcox <willy@...radead.org> wrote:
>
> On Wed, Jan 09, 2019 at 09:49:17PM +0530, Souptick Joarder wrote:
> > convert to use vm_fault_t type as return type for
> > fault handler.
>
> I think you'll also need to convert hmm_devmem_fault().  And that's
> going to lead to some more spots.

I will add it in v2.
>
> (It's important to note that this is the patch working as designed.  It's
> throwing up warnings where code *hasn't* been converted to vm_fault_t yet
> but should have been).

Ok.