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647a2a6428
Instead of invoking put_page() one-at-a-time, pass the "response" portion of rq_pages directly to release_pages() to reduce the number of times each nfsd thread invokes a page allocator API. Since svc_xprt_release() is not invoked while a client is waiting for an RPC Reply, this is not expected to directly impact mean request latencies on a lightly or moderately loaded server. However as workload intensity increases, I expect somewhat better scalability: the same number of server threads should be able to handle more work. Reviewed-by: Calum Mackay <calum.mackay@oracle.com> 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.