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Linux kernel source tree
4d15721177
Parse the device tree in early init to find the memory block size to be used by the kernel. Consolidate the memory block size device tree parsing to one helper and use that on both powernv and pseries. We still want to use machine-specific callback because on all machine types other than powernv and pseries we continue to return MIN_MEMORY_BLOCK_SIZE. pseries_memory_block_size used to look for the second memory block (memory@x) to determine the memory_block_size value. This patch changed that to look at all memory blocks and make sure we can map them all correctly using the computed memory block size value. Add workaround to force 256MB memory block size if device driver managed memory such as GPU memory is present. This helps to add GPU memory that is not aligned to 1G. Co-developed-by: Reza Arbab <arbab@linux.ibm.com> Signed-off-by: Reza Arbab <arbab@linux.ibm.com> Signed-off-by: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230801044447.11275-1-aneesh.kumar@linux.ibm.com |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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 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.