diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/compaction.c | 12 | ||||
| -rw-r--r-- | mm/migrate.c | 2 | ||||
| -rw-r--r-- | mm/truncate.c | 3 |
3 files changed, 9 insertions, 8 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index 739b1bf3d637..6cb901b63482 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -1179,22 +1179,22 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn, if (((mode & ISOLATE_ASYNC_MIGRATE) && is_dirty) || (mapping && is_unevictable)) { bool migrate_dirty = true; - bool is_unmovable; + bool is_inaccessible; /* * Only folios without mappings or that have * a ->migrate_folio callback are possible to migrate * without blocking. * - * Folios from unmovable mappings are not migratable. + * Folios from inaccessible mappings are not migratable. * * However, we can be racing with truncation, which can * free the mapping that we need to check. Truncation * holds the folio lock until after the folio is removed * from the page so holding it ourselves is sufficient. * - * To avoid locking the folio just to check unmovable, - * assume every unmovable folio is also unevictable, + * To avoid locking the folio just to check inaccessible, + * assume every inaccessible folio is also unevictable, * which is a cheaper test. If our assumption goes * wrong, it's not a correctness bug, just potentially * wasted cycles. @@ -1207,9 +1207,9 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn, migrate_dirty = !mapping || mapping->a_ops->migrate_folio; } - is_unmovable = mapping && mapping_unmovable(mapping); + is_inaccessible = mapping && mapping_inaccessible(mapping); folio_unlock(folio); - if (!migrate_dirty || is_unmovable) + if (!migrate_dirty || is_inaccessible) goto isolate_fail_put; } diff --git a/mm/migrate.c b/mm/migrate.c index a8c6f466e33a..ed3aac90cf4f 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -978,7 +978,7 @@ static int move_to_new_folio(struct folio *dst, struct folio *src, if (!mapping) rc = migrate_folio(mapping, dst, src, mode); - else if (mapping_unmovable(mapping)) + else if (mapping_inaccessible(mapping)) rc = -EOPNOTSUPP; else if (mapping->a_ops->migrate_folio) /* diff --git a/mm/truncate.c b/mm/truncate.c index e99085bf3d34..581977d2356f 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -233,7 +233,8 @@ bool truncate_inode_partial_folio(struct folio *folio, loff_t start, loff_t end) * doing a complex calculation here, and then doing the zeroing * anyway if the page split fails. */ - folio_zero_range(folio, offset, length); + if (!mapping_inaccessible(folio->mapping)) + folio_zero_range(folio, offset, length); if (folio_has_private(folio)) folio_invalidate(folio, offset, length); |