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The prot_numa_skip() naming is not good since it updates the folio access time except checking whether to skip prot NUMA, so rename it to folio_can_map_prot_numa(), and cleanup it a bit, remove ret by directly return value instead of goto style. Adding a new helper vma_is_single_threaded_private() to check whether it's a single threaded private VMA, and make folio_can_map_prot_numa() a non-static function so that they could be reused in change_huge_pmd(), since folio_can_map_prot_numa() will be shared in different paths, let's move it near change_prot_numa() in mempolicy.c. Link: https://lkml.kernel.org/r/20251023113737.3572790-4-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Acked-by: David Hildenbrand <david@redhat.com> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: Barry Song <baohua@kernel.org> Cc: Dev Jain <dev.jain@arm.com> Cc: Lance Yang <lance.yang@linux.dev> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Sidhartha Kumar <sidhartha.kumar@oracle.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.