| commit | 1dd214b8f21ca46d5431be9b2db8513c59e07a26 | [log] [tgz] |
|---|---|---|
| author | Zi Yan <[email protected]> | Tue Mar 22 14:43:05 2022 -0700 |
| committer | Linus Torvalds <[email protected]> | Tue Mar 22 15:57:05 2022 -0700 |
| tree | 6605ac7a73f190b15c28e2c5e066166131974edf | |
| parent | ff11a7ce1f0f8c1e7870de26860024b4ddbf5755 [diff] |
mm: page_alloc: avoid merging non-fallbackable pageblocks with others This is done in addition to MIGRATE_ISOLATE pageblock merge avoidance. It prepares for the upcoming removal of the MAX_ORDER-1 alignment requirement for CMA and alloc_contig_range(). MIGRATE_HIGHATOMIC should not merge with other migratetypes like MIGRATE_ISOLATE and MIGRARTE_CMA[1], so this commit prevents that too. Remove MIGRATE_CMA and MIGRATE_ISOLATE from fallbacks list, since they are never used. [1] https://lore.kernel.org/linux-mm/[email protected]/ Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Zi Yan <[email protected]> Acked-by: Mel Gorman <[email protected]> Acked-by: David Hildenbrand <[email protected]> Acked-by: Vlastimil Babka <[email protected]> Acked-by: Mike Rapoport <[email protected]> Reviewed-by: Oscar Salvador <[email protected]> Cc: Mike Rapoport <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>