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ce32123b9b
There are 3 potential reasons for is_migrate_*() helpers:
1. They represent higher-level attributes of migratetypes, like
is_migrate_movable()
2. They are ifdef'd, like is_migrate_isolate().
3. For consistency with an is_migrate_*_page() helper, also like
is_migrate_isolate().
It looks like is_migrate_highatomic() was for case 3, but that was
removed in commit e0932b6c1f ("mm: page_alloc: consolidate free page
accounting").
So remove the indirection and go back to a simple comparison.
Link: https://lkml.kernel.org/r/20250821-is-migrate-highatomic-v1-1-ddb6e5d7c566@google.com
Signed-off-by: Brendan Jackman <jackmanb@google.com>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Acked-by: SeongJae Park <sj@kernel.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
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.