[RFC,6/9] shmem: set folio uptodate when reclaim

Commit Message

Daniel Gomez Feb. 9, 2024, 2:29 p.m. UTC

When reclaiming some space by splitting a large folio through
shmem_unused_huge_shrink(), a large folio is split regardless of its
uptodate status. Mark all the blocks as uptodate in the reclaim path so
split_folio() can release the folio private struct (shmem_folio_state).

Signed-off-by: Daniel Gomez <[e-mail]>
---
 mm/shmem.c | 1 +
 1 file changed, 1 insertion(+)

Patch

diff --git a/mm/shmem.c b/mm/shmem.c
index b6f9a60b179b..9fa86cb82da9 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -836,6 +836,7 @@  static unsigned long shmem_unused_huge_shrink(struct shmem_sb_info *sbinfo,
 			goto move_back;
 		}
 
+		shmem_set_range_uptodate(folio, 0, folio_size(folio));
 		ret = split_folio(folio);
 		folio_unlock(folio);
 		folio_put(folio);