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Alistair Popple 64dfd595d3 cramfs: fix incorrect physical page address calculation
[ Upstream commit 20a8e0454d ]

Commit 21aa65bf82 ("mm: remove callers of pfn_t functionality")
incorrectly replaced the pfn with the physical address when calling
vmf_insert_mixed().  Instead the phys_to_pfn_t() call should have been
replaced with PHYS_PFN().

Found by inspection after a similar issue was noted in fuse virtio_fs.

Link: https://lkml.kernel.org/r/20250923005333.3165032-1-apopple@nvidia.com
Fixes: 21aa65bf82 ("mm: remove callers of pfn_t functionality")
Signed-off-by: Alistair Popple <apopple@nvidia.com>
Reviewed-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Haiyue Wang <haiyuewa@163.com>
Cc: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-10-15 12:04:11 +02:00
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.