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8aa2c0bf0a
__cma_declare_contiguous_nid() tries to allocate memory in several ways: * on systems with 64 bit physical address and enough memory it first attempts to allocate memory just above 4GiB * if that fails, on systems with HIGHMEM the next attempt is from high memory * and at last, if none of the previous attempts succeeded, or was even tried because of incompatible configuration, the memory is allocated anywhere within specified limits. Move all the allocation logic to a helper function to make these steps more obvious. Link: https://lkml.kernel.org/r/20250703184711.3485940-4-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Acked-by: David Hildenbrand <david@redhat.com> Acked-by: Oscar Salvador <osalvador@suse.de> Cc: Alexandre Ghiti <alexghiti@rivosinc.com> Cc: Pratyush Yadav <ptyadav@amazon.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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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.