Re: [RFC PATCH 15/26] mm: compaction: simplify free block check in suitable_migration_target()

Mel Gorman
2023-04-21T14:54:07Z

On Tue, Apr 18, 2023 at 03:13:02PM -0400, Johannes Weiner wrote:
> Free page blocks are now marked MIGRATE_FREE. Consult that directly.
>
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>

Justification for patch depends on whether MIGRATE_FREE is itself
necessaary. Even then, it's a micro-optimisation but maybe it matters
more later.

--
Mel Gorman
SUSE Labs