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c95dc0a84b
Replace all 'int reason' function parameters that carry migrate_reason
values with the proper 'enum migrate_reason' type. This makes the intent
explicit and leverages compiler type checking. The affected subsystems
are:
- page_owner: __folio_set_owner_migrate_reason(),
folio_set_owner_migrate_reason()
- migrate: migrate_pages(), migrate_pages_sync(),
migrate_pages_batch(), migrate_folios_move(),
migrate_hugetlbs(), unmap_and_move_huge_page()
- hugetlb: move_hugetlb_state(), htlb_allow_alloc_fallback()
- trace: mm_migrate_pages and mm_migrate_pages_start events
The 'short last_migrate_reason' struct field and internal helper parameter
in page_owner are intentionally left as 'short' since they store per-page
metadata where size matters.
No functional change.
Link: https://lore.kernel.org/20260714015117.78351-4-ye.liu@linux.dev
Signed-off-by: Ye Liu <ye.liu@linux.dev>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: Vlastimil Babka (SUSE) <vbabka@kernel.org>
Reviewed-by: Lorenzo Stoakes <ljs@kernel.org>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Cc: Brendan Jackman <jackmanb@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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| .. | ||
| events | ||
| misc | ||
| stages | ||
| bpf_probe.h | ||
| define_custom_trace.h | ||
| define_remote_events.h | ||
| define_trace.h | ||
| perf.h | ||
| syscall.h | ||
| trace_custom_events.h | ||
| trace_events.h | ||