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Martin KaFai Lau says: ==================== tcp: Add a 2nd listener hashtable (port+addr) This patch set adds a 2nd listener hashtable. It is to resolve the performance issue when a process is listening at many IP addresses with the same port (e.g. [IP1]:443, [IP2]:443... [IPN]:443) v2: - Move the new lhash2 and lhash2_mask before the existing listening_hash to avoid adding another cacheline to inet_hashinfo (Suggested by Eric Dumazet, Thanks!) - I take this chance to plug an existing 4 bytes hole while adding 'unsigned int lhash2_mask'. - Add some comments about lhash2 in inet_hashtables.h ==================== 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.