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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:15:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:15:13 +0000
commit246dcf5ef201b8e7735b0894e18189c712374a0f (patch)
tree7b48ee473954dea09d91a84bb5bbf5b26c67b201 /mm/migrate.c
parentAdding debian version 6.9.9-1. (diff)
downloadlinux-246dcf5ef201b8e7735b0894e18189c712374a0f.tar.xz
linux-246dcf5ef201b8e7735b0894e18189c712374a0f.zip
Merging upstream version 6.9.10.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mm/migrate.c')
-rw-r--r--mm/migrate.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 73a052a382..8f99fcea99 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -415,6 +415,15 @@ int folio_migrate_mapping(struct address_space *mapping,
if (folio_ref_count(folio) != expected_count)
return -EAGAIN;
+ /* Take off deferred split queue while frozen and memcg set */
+ if (folio_test_large(folio) &&
+ folio_test_large_rmappable(folio)) {
+ if (!folio_ref_freeze(folio, expected_count))
+ return -EAGAIN;
+ folio_undo_large_rmappable(folio);
+ folio_ref_unfreeze(folio, expected_count);
+ }
+
/* No turning back from here */
newfolio->index = folio->index;
newfolio->mapping = folio->mapping;
@@ -433,6 +442,10 @@ int folio_migrate_mapping(struct address_space *mapping,
return -EAGAIN;
}
+ /* Take off deferred split queue while frozen and memcg set */
+ if (folio_test_large(folio) && folio_test_large_rmappable(folio))
+ folio_undo_large_rmappable(folio);
+
/*
* Now we know that no one else is looking at the folio:
* no turning back from here.