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b9ff81003cf1a0b12b8d60b6ef33a34e84dfe7ac
Let's cleanup empty page tables. Consider only page tables that fully fall into the idendity mapping and the vmemmap range. As there are no valid accesses to vmem/vmemmap within non-populated ranges, the single tlb flush at the end should be sufficient. Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20200722094558.9828-7-david@redhat.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.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.
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