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a4187c9bd1
Extract the code for allocating guest memory via memfd out of vm_userspace_mem_region_add() and into a new helper, kvm_memfd_alloc(). A future selftest to populate a guest with the maximum amount of guest memory will abuse KVM's memslots to alias guest memory regions to a single memfd-backed host region, i.e. needs to back a guest with memfd memory without a 1:1 association between a memslot and a memfd instance. No functional change intended. Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20220226001546.360188-27-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@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.