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Adrián Larumbe
3d7c626716
In the MMU's page fault ISR for a heap object, determine whether the faulting address belongs to a 2MiB block that was already mapped by checking its corresponding sgt in the Panfrost BO. This is done in preparation for a future commit in which the MMU mapping helper might fail, but the page array is left populated, so this cannot be used as a check for an early bail-out. Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com> Link: https://lore.kernel.org/r/20251019145225.3621989-6-adrian.larumbe@collabora.com Signed-off-by: Steven Price <steven.price@arm.com>
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.