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4fef0f4913
Currently, there are two definitions related to huge page, but a little bit far from each other and seems loosely connected: * KVM_NR_PAGE_SIZES defines the number of different size a page could map * PT_MAX_HUGEPAGE_LEVEL means the maximum level of huge page The number of different size a page could map equals the maximum level of huge page, which is implied by current definition. While current implementation may not be kind to readers and further developers: * KVM_NR_PAGE_SIZES looks like a stand alone definition at first sight * in case we need to support more level, two places need to change This patch tries to make these two definition more close, so that reader and developer would feel more comfortable to manipulate. Signed-off-by: Wei Yang <richard.weiyang@gmail.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.
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.