Minchan Kim c6bc1396ce FROMLIST: mm: replace migrate_[prep|finish] with lru_cache_[disable|enable] ...

Currently, migrate_[prep|finish] is merely a wrapper of
lru_cache_[disable|enable]. There is not much to gain from
having additional abstraction.

Use lru_cache_[disable|enable] instead of migrate_[prep|finish],
which would be more descriptive.

note: migrate_prep_local in compaction.c changed into lru_add_drain
to avoid CPU schedule cost with involving many other CPUs to keep
keep old behavior.

Bug: 180018981
Link: https://lore.kernel.org/linux-mm/20210319175127.886124-2-minchan@kernel.org/
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Minchan Kim <minchan@google.com>
Change-Id: I2f298c9ff53c8693527f1207ff25ab76a4ac3ada

2021-03-23 04:05:24 +00:00

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