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Flow keys aren't 4GB+ numbers so 64-bit arithmetic is excessive. Space savings (I'm not sure what CSWTCH is): add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-48 (-48) function old new delta flow_cache_lookup 1163 1159 -4 CSWTCH 75997 75953 -44 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.