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54f2ecc318
Since kernel virtual and physical address spaces are uncoupled the kernel is mapped at the top of the virtual address space in case KASLR is disabled. That does not pose any issue with regard to the kernel booting and operation, but makes it difficult to use a generated vmlinux with some debugging tools (e.g. gdb), because the exact location of the kernel image in virtual memory is unknown. Make that location known and introduce CONFIG_KERNEL_IMAGE_BASE configuration option. A custom CONFIG_KERNEL_IMAGE_BASE value that would break the virtual memory layout leads to a build error. The kernel image size is defined by KERNEL_IMAGE_SIZE macro and set to 512 MB, by analogy with x86. Suggested-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com> |
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| fs | ||
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| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
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| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
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| README | ||
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.