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64d8aaa4ef
The appended file size is only used by the decompressors, which some
architectures support.
As the comment "zstd22 is used for kernel compression" says, cmd_zstd22
is used in arch/{mips,s390,x86}/boot/compressed/Makefile.
On the other hand, there is no good reason to append the file size to
cmd_zstd since it is used for other purposes.
Actually cmd_zstd is only used in usr/Makefile, where the appended file
size is rather harmful.
The initramfs with its file size appended is considered as corrupted
data, so commit 65e00e04e5 ("initramfs: refactor the initramfs build
rules") added 'override size_append := :' to make it no-op.
As a conclusion, this $(size_append) should not exist here.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
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.