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fb4f644ee8
Support pre-trained dictionary param. lz4 doesn't mandate specific format of the dictionary and even zstd --train can be used to train a dictionary for lz4, according to [1]. TEST ==== *** lz4 /sys/block/zram0/mm_stat 1750654976 664188565 676864000 0 676864000 1 0 34288 34288 *** lz4 dict=/etc/lz4-dict-amd64 /sys/block/zram0/mm_stat 1750638592 619891141 632053760 0 632053760 1 0 34278 34278 *** lz4 level=5 dict=/etc/lz4-dict-amd64 /sys/block/zram0/mm_stat 1750638592 727174243 740810752 0 740810752 1 0 34437 34437 [1] https://github.com/lz4/lz4/issues/557 Link: https://lkml.kernel.org/r/20240902105656.1383858-21-senozhatsky@chromium.org Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org> Cc: Minchan Kim <minchan@kernel.org> Cc: Nick Terrell <terrelln@fb.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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.