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705d2ac7b2
Returning buffers via a ring is performant and convenient, but it becomes a problem when/if the user misconfigured the ring size and it becomes full. Add a synchronous way to return buffers back to the page pool via a new register opcode. It's supposed to be a reliable slow path for refilling. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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| fs | ||
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| ipc | ||
| kernel | ||
| lib | ||
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| virt | ||
| .clang-format | ||
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| .cocciconfig | ||
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| .mailmap | ||
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| README | ||
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 reStructuredText 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.