Align the CMA area for hugetlb gigantic pages to their size, not the size that they can be demoted to. Otherwise there might be misaligned sections at the start and end of the CMA area that will never be used for hugetlb page allocations. Link: https://lkml.kernel.org/r/20240430161437.2100295-1-fvdl@google.com Fixes: a01f43901cfb ("hugetlb: be sure to free demoted CMA pages to CMA") Signed-off-by: Frank van der Linden <fvdl@google.com> Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev> Cc: Muchun Song <muchun.song@linux.dev> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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.
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