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0211d49e52
Enable CONFIG_MIPS_AUTO_PFN_OFFSET for the generic platform, allowing it to avoid wasted book-keeping for pages with addresses lower than the physical base address of memory. This has a minimal impact on kernel text size, with 64r6el_defconfig gaining 0.1% in size as reported by bloat-o-meter: add/remove: 4/1 grow/shrink: 345/13 up/down: 9017/-392 (8625) Function old new delta pcpu_setup_first_chunk 1444 1780 +336 pcpu_alloc_first_chunk 864 1136 +272 start_kernel 1064 1288 +224 initcall_blacklist 224 372 +148 try_fill_recv 2088 2184 +96 ... Total: Before=8457273, After=8465898, chg +0.10% The gain for systems with large offsets to physical memory & the ability to continue using generic kernels on such systems seems well worth this small cost. Signed-off-by: Paul Burton <paul.burton@mips.com> Suggested-by: Vladimir Kondratiev <vladimir.kondratiev@intel.com> Patchwork: https://patchwork.linux-mips.org/patch/20049/ Cc: James Hogan <jhogan@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| 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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.