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Chuck Lever
2b877fc53e
With large NFS WRITE requests on TCP, I measured 5-10 thread wake- ups to receive each request. This is because the socket layer calls ->sk_data_ready() frequently, and each call triggers a thread wake-up. Each recvmsg() seems to pull in less than 100KB. Have the socket layer hold ->sk_data_ready() calls until the full incoming message has arrived to reduce the wake-up rate. Signed-off-by: Chuck Lever <chuck.lever@oracle.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.