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This option is only required for vmlinux on 64-bit, to enforce 2MiB alignment, so set it in LDFLAGS_vmlinux instead of KBUILD_LDFLAGS. Also drop the ld-option check: this option was added in binutils-2.18 and all the other places that use it already don't have the check. This reduces the size of the intermediate ELF files arch/x86/boot/setup.elf and arch/x86/realmode/rm/realmode.elf by about 2MiB each. The binary versions are unchanged. Move the LDFLAGS settings to all be together and just after CFLAGS settings are done. Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu> Signed-off-by: Ingo Molnar <mingo@kernel.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Michal Marek <michal.lkml@markovi.net> Link: https://lore.kernel.org/r/20200722184334.3785418-1-nivedita@alum.mit.edu
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.