[REGRESSION] [BISECTED] Panic in gen8_ggtt_insert_entries() with v6.5

[Matthew Wilcox]

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.