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752d95a2bf
The hardware needs a byte-count table with the size of each frame on the queue to build A-MPDUs, but: * newer generation no longer have the duplicated space at the end, they can deal with the wrap properly - and we don't even fill the dup anyway * we have a maximum queue size of 512 right now and don't use the theoretical hardware maximum of 65536. Together, this reduces the byte count table DMA allocation from 64KiB (65536*2 + 64*2 rounded up) to 1 KiB (though that might be rounded up to a full 4 KiB page by the allocator, not sure it can share the allocations.) Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20200425130140.c263b787b5ab.I059507a9760b1ce1d45d84dcaa91629a5cfb58e0@changeid
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.