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The pageblocks that back memblock allocated hugetlb folios might not have the migrate type set, in the CONFIG_DEFERRED_STRUCT_PAGE_INIT case. memblock allocated hugetlb folios might be given to the buddy allocator eventually (if nr_hugepages is lowered), so make sure that the migrate type for the pageblocks contained in them is set when initializing them. Set it to the default that memmap init also uses (MIGRATE_MOVABLE). Link: https://lkml.kernel.org/r/20250228182928.2645936-12-fvdl@google.com Signed-off-by: Frank van der Linden <fvdl@google.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Dan Carpenter <dan.carpenter@linaro.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Hildenbrand <david@redhat.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Joao Martins <joao.m.martins@oracle.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Muchun Song <muchun.song@linux.dev> Cc: Oscar Salvador <osalvador@suse.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Roman Gushchin (Cruise) <roman.gushchin@linux.dev> Cc: Usama Arif <usamaarif642@gmail.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Yu Zhao <yuzhao@google.com> Cc: Zi Yan <ziy@nvidia.com> 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.