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Printing of Kernel virtual memory layout was added for debug purpose by commitf637a49e50("powerpc: Minor cleanups of kernel virt address space definitions") For security reasons, don't display the kernel's virtual memory layout. Other architectures have removed it through following commits. Commit071929dbdd("arm64: Stop printing the virtual memory layout") Commit1c31d4e96b("ARM: 8820/1: mm: Stop printing the virtual memory layout") Commit31833332f7("m68k/mm: Stop printing the virtual memory layout") Commitfd8d0ca256("parisc: Hide virtual kernel memory layout") Commit681ff0181b("x86/mm/init/32: Stop printing the virtual memory layout") Commit681ff0181b("x86/mm/init/32: Stop printing the virtual memory layout") thought x86 was the last one, but in reality powerpc/32 still had it. So remove it now on powerpc/32 as well. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Reviewed-by: Kees Cook <kees@kernel.org> [Maddy: Added "Commit" in commit message to avoid checkpatch error] Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Link: https://patch.msgid.link/430bc8c1f2ff2eb9224b04450e22db472b0b9fa9.1736361630.git.christophe.leroy@csgroup.eu
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.