From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
Subject: Re: [PATCH 10/22] memremap: add a migrate callback to struct
 dev_pagemap_ops
Date: Fri, 14 Jun 2019 08:33:17 +0200
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To: Ralph Campbell <rcampbell-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org, nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, =?iso-8859-1?B?Suly9G1l?= Glisse <jglisse-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Jason Gunthorpe <jgg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, Ben Skeggs <bskeggs-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
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On Thu, Jun 13, 2019 at 04:42:07PM -0700, Ralph Campbell wrote:
> This needs to either initialize "page" or be changed to "vmf->page".
> Otherwise, it is a NULL pointer dereference.

Thanks, fixed.