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[ Upstream commit 43dc2a0f479b9cd30f6674986d7a40517e999d31 ] Instead of having max_pfn as a local variable of xen_memory_setup(), make it a static variable in setup.c instead. This avoids having to pass it to subfunctions, which will be needed in more cases in future. Rename it to ini_nr_pages, as the value denotes the currently usable number of memory pages as passed from the hypervisor at boot time. Signed-off-by: Juergen Gross <jgross@suse.com> Tested-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com> Reviewed-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com> Stable-dep-of: be35d91c8880 ("xen: tolerate ACPI NVS memory overlapping with Xen allocated memory") Signed-off-by: Sasha Levin <sashal@kernel.org>
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 Restructured Text 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.