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The kvm_unmap_rmapp() function, called from certain MMU notifiers, is used to force all guest mappings of a particular host page to be set ABSENT, and removed from the reverse mappings. For HPT resizing, we will have some cases where we want to set just a single guest HPTE ABSENT and remove its reverse mappings. To prepare with this, we split out the logic from kvm_unmap_rmapp() to evict a single HPTE, moving it to a new helper function. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.