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75e72f0541
The modulus in the hash function was limited to > 1 as initially
there was no sense to create a hashing of just one element.
Nevertheless, there are certain cases specially for load balancing
where this case needs to be addressed.
This patch fixes the following error.
Error: Could not process rule: Numerical result out of range
add rule ip nftlb lb01 dnat to jhash ip saddr mod 1 map { 0: 192.168.0.10 }
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The solution comes to force the hash to 0 when the modulus is 1.
Signed-off-by: Laura Garcia Liebana <nevola@gmail.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
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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.