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2217a47de4
This is a best effort for estimating on how busy the ring buffer is for that channel, based on available buffer to write in percentage. It is still possible that at the time of actual ring buffer write, the space may not be available due to other processes may be writing at the time. Selecting a channel based on how full it is can reduce the possibility that a ring buffer write will fail, and avoid the situation a channel is over busy. Now it's possible that storvsc can use a smaller ring buffer size (e.g. 40k bytes) to take advantage of cache locality. Signed-off-by: Long Li <longli@microsoft.com> Reviewed-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: Martin K. Petersen <martin.petersen@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.
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.