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Date:   Tue, 19 Sep 2023 17:02:58 +0100
From:   Matthew Wilcox <willy@infradead.org>
To:     Oleksandr Natalenko <oleksandr@natalenko.name>
Cc:     linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org,
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        Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org
Subject: Re: [REGRESSION] [BISECTED] Panic in gen8_ggtt_insert_entries() with
 v6.5
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On Tue, Sep 19, 2023 at 04:43:41PM +0100, Matthew Wilcox wrote:
> Could I ask you to try this patch?  I'll follow up with another patch
> later because I think I made another assumption that may not be valid.

Ah, no, never mind.  I thought we could start in the middle of a folio,
but we always start constructing the sg list from index 0 of the file,
so we always start at the first page of a folio.  If this patch solves
your problem, then I think we're done.