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b569c18434
The current randomization granularity of 5-level is 512 GB. The mapping of the real mode trampoline has been reduced to one PUD entry, so there is no restriction anymore. Reduce the granularity to 1GB for 5-level paging mode which allows better randomization. [ tglx: Massaged changelog ] Signed-off-by: Baoquan He <bhe@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: dave.hansen@linux.intel.com Cc: luto@kernel.org Cc: peterz@infradead.org Cc: bp@alien8.de Cc: hpa@zytor.com Cc: keescook@chromium.org Cc: thgarnie@google.com Link: https://lkml.kernel.org/r/20190308025616.21440-3-bhe@redhat.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 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.